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Phổ biến Word Problems >

Mr, Stevens is 63 years older than his grandson, Tom. In 3 years, Mr. Stevens will be four times as old as Tom. How old is Tom?

Lời Giải

M r, St e v e n s i s 63 ye a rs o l d er t han hi s g r an d so n, T o m . I n 3 ye a rs, M r . St e v e n s w i ll b e f o u r t im es a s o l d a s T o m . Ho w o l d i s T o m ?

Lời Giải

Tom^{'} s age is : 18

Các bước giải pháp

Translate the problem into an equation:

x + 3 = 4 (x - 63 + 3)

Giải

x, x + 3 = 4 (x - 63 + 3) : x = 81

Tìm Tom's age

: 18

Tom^{'} s age is : 18

Ví dụ phổ biến

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