Answer: 5a + 2b
Step-by-step explanation:
She purchased 12a pounds of apples and she used 7a pounds, so that means 12a - 7a = 5a
She purchased 4b pounds of bananas and used 2b pounds, so that means 4b - 2b = 2b
If there is a large number of something, you will need a lot of the symbols which would make the graph huge.
The amount is $337.08 and the interest is $37.08.
Hope this Helps
I believe the answer is 78.54 , D
