After 10 days Mr. Monasterio had eaten 43 burritos. After 15 days, he had eaten 78 burritos. What is the rate of change? Label your answer with units.

7 burritos/day

Step-by-step explanation:

Given data

Initial day =10

Final day =15

Initial burritos consumed=43

Final burritos consumed =78

Let the constant k = rate of change

change in days = 15 - 10 = 5

change in number of burritos = 78-43=35

k = 78-43/15-10

k = 35/5

k = 7

Since k = change in number of burritos/change in days

7 burritos/day

5x+2x=49

7x=49

x=7. 35 apples

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