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Two years ago, Jeff was four times as old as Patrick. In five years Jeff will be thrice as old as Patrick. How old are they now?

解答

Two years ago, Jeff was four times as old as Patrick. In five years Jeff will be thrice as old as Patrick. How old are they now?

解答

Jeff^{'} s age is : 58

Patrick^{'} s age is : 16

求解步骤

Translate the problem into an equation:

x - 2 = 4 (y - 2), x + 5 = 3 (y + 5)

x - 2 = 4 (y - 2), x + 5 = 3 (y + 5) : x = 58, y = 16

Jeff^{'} s age is : 58

Patrick^{'} s age is : 16

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