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Phổ biến Word Problems >

Kevin is 39 years old and Daniel is 3 years old.How many years will it take until Kevin is only 4 times as old as Daniel?

Lời Giải

Ke v in i s 39 ye a rs o l d an d D ani e l i s 3 ye a rs o l d . Ho w man y ye a rs w i ll i t t ak e u n t i l Ke v in i s o n l y 4 t im es a s o l d a s D ani e l ?

Lời Giải

Number of years from now : 9

Các bước giải pháp

Translate the problem into an equation:

4 (3 + x) = 39 + x

Giải

x, 4 (3 + x) = 39 + x : x = 9

Number of years from now : 9

Ví dụ phổ biến

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