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Phổ biến Word Problems >

The sum of Jason and Mandy's ages is 35. Ten years ago, Jason was double Mandy's age. How old are they now?

Lời Giải

T h e s u m o f J a so n an d M an d y^{'} s a g es i s 35. T e n ye a rs a g o, J a so n w a s d o u b l e M an d y^{'} s a g e . Ho w o l d a re t h ey n o w ?

Lời Giải

Jason^{'} s age is : 20

Mandy^{'} s age is : 15

Các bước giải pháp

Translate the problem into an equation:

x - 10 = 2 (35 - x - 10)

Giải

x, x - 10 = 2 (35 - x - 10) : x = 20

Tìm age

Jason^{'} s age is : 20

Mandy^{'} s age is : 15

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