SOLUTION: If the total cost of x apples is b cents, what is the general formula for the cost in cents of y apples?

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Question 285358: If the total cost of x apples is b cents, what is the general formula for the cost in cents of y apples?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
cost of 5 (x) apples is 100 (b)
the 100/5 (b/x) =20 each (b/x)
15 (y) apples will cost 15*20 y*b/x
now just in letters
cost of x apples is b cents
b/x= cost for each
y*b/x cost of y apples