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Phổ biến Word Problems >

Andrew is 6 years older than twice Maddy's age. If the sum of their ages is 78, how old is Maddy?

Lời Giải

A n d re w i s 6 ye a rs o l d er t han tw i ce M a dd y^{'} s a g e . I f t h e s u m o f t h e i r a g es i s 78, h o w o l d i s M a dd y ?

Lời Giải

Maddy^{'} s age is : 24

Các bước giải pháp

Translate the problem into an equation:

x - 6 = 2 (78 - x)

Giải

x, x - 6 = 2 (78 - x) : x = 54

Tìm Maddy's age

: 24

Maddy^{'} s age is : 24

Ví dụ phổ biến

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