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Phổ biến Word Problems >

5 years from now Sharon will be twice as old as Peter.The current sum of the ages of Sharon and Peter is 77.How old is Peter right now?

Lời Giải

5 ye a rs f ro m n o w S ha ro n w i ll b e tw i ce a s o l d a s P e t er . T h e c u rre n t s u m o f t h e a g es o f S ha ro n an d P e t er i s 77. Ho w o l d i s P e t er r i g h t n o w ?

Lời Giải

Peter^{'} s age is : 24

Các bước giải pháp

Translate the problem into an equation:

x + 5 = 2 (77 - x + 5)

Giải

x, x + 5 = 2 (77 - x + 5) : x = 53

Tìm Peter's age

: 24

Peter^{'} s age is : 24

Ví dụ phổ biến

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