Problem

Kelby is buying beans, rice, and meat at the grocery store. B is the price of the beans, R is the price of the rice, and M is the price of the meat. There are different ways of thinking about how to add up all the prices.
Match the expressions to their meanings.
For reference:
Beans come from a plant and are rich in protein.
Rice comes from a plant and is rich in carbohydrates.
Meat comes from an animal and is rich in protein.
 
Add the prices of the foods from plants, then add the price of the meat
Add the prices of the foods rich in protein, then add the price of the rice
Neither of these
left parenthesis, B, plus, M, right parenthesis, plus, R
left parenthesis, M, plus, R, right parenthesis, plus, B
left parenthesis, R, plus, B, right parenthesis, plus, M
left parenthesis, R, plus, B, right parenthesis, plus, R
Do 4 problems