why am i struggling so bad with basic math lol

I wanna know the same thing lol , I just got mad for no reason this is basic stuff lol

The first two questions are kinda hard to understand. Can someone simplify them for me?

for number two its 1 inch for 300 feet its easy for the second part after that

who created or made up math?

Beginning in the 6th century BC with the Pythagoreans, the Ancient Greeks began a systematic study of mathematics as a subject in its own right with Greek mathematics.[21] Around 300 BC, Euclid introduced the axiomatic method still used in mathematics today, consisting of definition, axiom, theorem, and proof. For more info. check out this website! https://en.wikipedia.org/wiki/Mathematics#:~:text

I is confused with problem 1,3,4. Plz help

#1- If diagram A is the scaled image of diagram B, then diagram B is the *original*. If you were to set up a ratio, it would look something like this: 3 : 4 x : 7.2 Using this, you can figure out x. 7.2 / 4 = 1.8, which you multiply by 3 to get 5.4 (which is the answer). #3- They tell you the scale is 1 : 180. In this case, it means that 1 ft (in the model) is equal to 180 *real* ft. Width: 3 model ft = 3 x 180 = 540 real ft Length: 4 model ft = 3 x 180 = 720 real ft Then, to find the area of the real castle, you multiply 540 by 720 to get your answer: 388,800 sq. ft. #4- The problem tells you that the moon has a diameter of 2,000 miles in real life. In the model, the moon has a diameter of 1 inch. Using this information, you can figure out the scale: 1 model inch = 2,000 real miles. So if the Earth is 8,000 miles in diameter, then the model Earth would be 4 inches in diameter. Finally, if the distance between them is 240,000 real miles, then the model distance between them would be 120 inches. Sorry if it's a little wordy. Hope this helps!

Main content

Scale drawing word problems

Google Classroom

Use scale drawings to solve problems in real-world contexts.

Practice problem 1: Two figures

Problem 1

Figure

A

is a scale image of Figure

B

What is the value of $x$ ‍?

Practice problem 2: Map

Problem 2

Alexander is drawing a map of the Federal Triangle in Washington, D.C. The actual Federal Triangle has a base of

3000

feet and height of

1200

feet. Alexander needs his drawing to fit on his paper, so he decides to make the base of his triangle

10

inches.

What scale is Alexander using?

1 inch

feet

What is the height of Alexander's triangle in inches?

inches

Practice problem 3: Scale model

Problem 3

Rena is building a

1 : 180

scale model of a real castle. Her model has a rectangular base that is

3

feet wide and

4

feet long.

What is the area of the base of the actual castle in square feet?

square feet

Practice problem 4: Moon challenge

Problem 4

The earth is approximately

8000

miles in diameter. The moon is approximately

2000

miles in diameter. The distance between the two is approximately

240,000

miles.

You build a two-dimensional scale model of the earth and moon. You use a circle with a diameter of

1

inch to model the moon.

In your model, what is the diameter of the earth in inches?

inches

In your model, what is the distance between the moon and the earth in inches?

inches

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  I wanna know the same thing lol , I just got mad for no reason this is basic stuff lol
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The first two questions are kinda hard to understand. Can someone simplify them for me?
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- gurujyothiraditya.punugupati
  Posted 3 years ago. Direct link to gurujyothiraditya.punugupati's post “for number two its 1 inch...”
  for number two its 1 inch for 300 feet its easy for the second part after that
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this is the most confusing thing ever
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Posted 9 months ago. Direct link to T_DØGG's post “I is confused with proble...”
I is confused with problem 1,3,4. Plz help
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Answer
- evchung21
  Posted 9 months ago. Direct link to evchung21's post “#1- If diagram A is the s...”
  #1- If diagram A is the scaled image of diagram B, then diagram B is the original. If you were to set up a ratio, it would look something like this:
  3 : 4
  x : 7.2
  Using this, you can figure out x. 7.2 / 4 = 1.8, which you multiply by 3 to get 5.4 (which is the answer).
  
  #3- They tell you the scale is 1 : 180. In this case, it means that 1 ft (in the model) is equal to 180 real ft.
  Width: 3 model ft = 3 x 180 = 540 real ft
  Length: 4 model ft = 3 x 180 = 720 real ft
  Then, to find the area of the real castle, you multiply 540 by 720 to get your answer: 388,800 sq. ft.
  
  #4- The problem tells you that the moon has a diameter of 2,000 miles in real life. In the model, the moon has a diameter of 1 inch. Using this information, you can figure out the scale: 1 model inch = 2,000 real miles. So if the Earth is 8,000 miles in diameter, then the model Earth would be 4 inches in diameter. Finally, if the distance between them is 240,000 real miles, then the model distance between them would be 120 inches.
  
  Sorry if it's a little wordy. Hope this helps!
  Comment on evchung21's post “#1- If diagram A is the s...”
  (32 votes)
yeicol2283
Posted 4 years ago. Direct link to yeicol2283's post “who created or made up ma...”
who created or made up math?
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Answer
- krishngoyal06
  Posted 4 years ago. Direct link to krishngoyal06's post “Beginning in the 6th cent...”
  Beginning in the 6th century BC with the Pythagoreans, the Ancient Greeks began a systematic study of mathematics as a subject in its own right with Greek mathematics.[21] Around 300 BC, Euclid introduced the axiomatic method still used in mathematics today, consisting of definition, axiom, theorem, and proof.
  For more info. check out this website!
  https://en.wikipedia.org/wiki/Mathematics#:~:text
  Comment on krishngoyal06's post “Beginning in the 6th cent...”
  (16 votes)
Kayla222007
Posted 4 years ago. Direct link to Kayla222007's post “I am so confused...It was...”
I am so confused...It was so easy in the lessons!
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Answer
aappiahra0001
Posted 4 years ago. Direct link to aappiahra0001's post “um i'm still really conf...”
um i'm still really confused on how to do this
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Grade 7 (Virginia)

Course: Grade 7 (Virginia) > Unit 6

Practice problem 1: Two figures

Practice problem 2: Map

Practice problem 3: Scale model

Practice problem 4: Moon challenge

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