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Abigail has $30.00 to buy groceries. She needs to buy some apples, some bananas, and 3 pounds of potatoes. Fuji apples are $1.79 a pound, bananas are $0.36 each, and potatoes are $2.99 for a 3 lb. bag. If a represents the number of pounds of apples Abigail buys and b represents the number of bananas she buys, which expression represents the amount of change she receives after her purchases?

Respuesta :

Hagrid
The expression that best describes her change may be found by constructing the mathematical equation that describes the situation.

Since a represents the number of apples, b represents the number of bananas, we let c represent her change. Hence,

30=1.79a+0.36b+2.99+c

rearranging the terms to solve for c,

c=30-2.99-1.79a-0.36b
c=-1.17a-0.36b+27.01

Answer:

THE ANSWER TO THE QUESTION IS C

Step-by-step explanation:

I DO NOT KNOW THE EXACT STEPS BUT I DO KNOW THAT THE ANSWER IS C BECAUSE I JUST TOOK THE TEST AND IT SAID THAT THE ANSWER WAS RIGHT AND THEN IT HELPED ME PASS THE TEST