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

User AlreadyLost
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2 Answers

6 votes
Y * (b/x) = the cost of y apples
Because by calculating b/x you get the price of 1 apple.
User Shankar Raju
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7 votes
If 'x' apples cost 'b' cents, then each apple costs (b/x) cents.

'Y' apples cost 'y' times the cost of each one . . . . . (y) times (b/x) or yb/x cents.

User Peter Little
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