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### Unit 8: Lesson 3

One and two-step word problems

# 2-step word problem: truffles

Sal solves a two-step word problem by drawing a picture and creating an equation. Created by Sal Khan.

## Want to join the conversation?

• what if qestons are above your level
• ...maybe tell someone and search for something easier on Khan academy? (Oh wait, this was 5 yrs ago but whatever.)
• Guys I am about to have the PARCC/IAR test what videos will help?
• I wonder if 4x6=gx3 - if 3 is the half of 6, can I use the logic of 8x3 because I used half on one side and doubled on the other? The answer happened to be correct, but will my logic get me in trouble later on?
• Your logic is good! It is always true that in a multiplication problem, if we double one number and halve the other one, the answer (product) will be the same.
• what is the answer Because I don't get it:

my book has 79 pg. I have been reading 10pg each day there is 9 pg left how many days have I've been reading?

someone explane it plzzzz
• alright yes, i can help you, first lets count how many tens does it take to get to 70? and you might say why not say 79 well that is taken care of becasue renember there are nine pages so lets count to 70 in tens, 10 20 30 40 50 60 70.so hhow many times did i count if its to hard just count the numbers i said and the answer is 7! i hope that answerd your question bye :)
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• What do you mean? It sounds like you are going crazy kinda.|:
• The problems are very easy
• I wish there was a little harder way to get the answer but i did 4 times 6 and then divided by 3=8 people at the party
• How do you keep the profile picture how you want it to be?
• If you mean your profile avatar, just choose your avatar and press save.
• Essentially, We know 4 boxes of Chocolates were brought to the party.
Each box contains 6 truffles.
So we plug in the terms (4x6) = g + 3
Because we know that 3 truffles were eaten each and G represents the number of guests.
4(6) = 24 = g + 3
24 = g + 3

Since we need to evaluate for G we need to divide 24 by 3.
x8
3(24)
-24
0

G = 8

I may have not written it correctly but I assume this is basic algebra as well?
• Hold on here, 4x6 = g+3, right?
so we need to solve:
4 x 6 = 24
24 is the same as g + 3, so 24-3 is equal to g.
(in other words 24 - g should equal 3.)

Therefore g = 21.
because 21 (or g) + 3 = 24

A variable is a letter assigned a value so it can be used in math, this value must be discoverable, or the variable is undefined, and cannot have any math done on it.
(Also, capitalizing a variable ("g") turns it into a different variable: "G", which you said equals eight.)