Question

Nick is now seven times as old as Harry. In 6 years, Nick will be five times as old as Harry. How old will Harry be in 6 years?

If x represents Harry's age now, then which of the following equations could be used to solve the problem?

A.5(7x + 6) = x + 6
B.7x = 5x + 6
C.7x + 6 = 5 (x + 6)

Answer 1

Let Nick's age be N and Harry's age be H.

Accordingly, N=7*H and (N+6) = 5*(H+6)

implies (7*H+6) = 5*(H+6)

therefore option C is correct

Answer 2

This is the answer.
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