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Phổ biến Word Problems >

Alan is 5 times the age of his son, Tom. In6 years, he will be 3 times the age of Tom. Howold is Tom now?

Lời Giải

A l an i s 5 t im es t h e a g e o f hi s so n, T o m . I n 6 ye a rs, h e w i ll b e 3 t im es t h e a g e o f T o m . Ho w o l d i s T o m n o w ?

Lời Giải

Tom^{'} s age is : 6

Alan^{'} s age is : 30

Các bước giải pháp

Translate the problem into an equation:

5 x + 6 = 3 (x + 6)

Giải

x, 5 x + 6 = 3 (x + 6) : x = 6

Tìm age

Tom^{'} s age is : 6

Alan^{'} s age is : 30

Ví dụ phổ biến

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