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Phổ biến Word Problems >

Rod is 10 years older than Noel. In 4 years, Rod will be twice as old as Noel. Find their present age.

Lời Giải

R o d i s 10 ye a rs o l d er t han N oe l . I n 4 ye a rs, R o d w i ll b e tw i ce a s o l d a s N oe l . F in d t h e i r p rese n t a g e .

Lời Giải

Rod^{'} s age is : 16

Noel^{'} s age is : 6

Các bước giải pháp

Translate the problem into an equation:

x + 4 = 2 (x - 10 + 4)

Giải

x, x + 4 = 2 (x - 10 + 4) : x = 16

Tìm age

Rod^{'} s age is : 16

Noel^{'} s age is : 6

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