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Phổ biến Word Problems >

Darren is 6 years older than Lee. Barry is 9. Harper is 3 years younger than Barry and 1 year younger than Lee. How old is Lee?

Lời Giải

D a rre n i s 6 ye a rs o l d er t han L ee . B a rry i s 9. H a r p er i s 3 ye a rs yo u n g er t han B a rry an d 1 ye a r yo u n g er t han L ee . Ho w o l d i s L ee ?

Lời Giải

Lee^{'} s age is : 7

Các bước giải pháp

Translate the problem into an equation:

x - 6 = 9 - 3 + 1

Giải

x, x - 6 = 9 - 3 + 1 : x = 13

Tìm Lee's age

: 7

Lee^{'} s age is : 7

Ví dụ phổ biến

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