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Answer:
A7.45x = y
Step-by-step explanation:
We can use a ratio to solve this problem. Take the total cost of the lunches and divide by the number of lunches.
y = total cost of lunches and
x = number of lunches
74.50 y
-------------- = ------------
10 x
Using cross products
74.5 x = 10 y
Divide each side by 10
74.5/10 x= 10y/10
7.45x = y
It is B. the differences are added together
Sorry I was moving around taking the picture and my handwriting is sloppy. But I hope you understand how I got the answer
The answer is A. 102.
Have a great day!
