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Phổ biến Word Problems >

5 years from now Steven will be 44 years old. The current sum of the ages of Steven and Mary is 72. How old is Mary right now?

Lời Giải

5 ye a rs f ro m n o w St e v e n w i ll b e 44 ye a rs o l d . T h e c u rre n t s u m o f t h e a g es o f St e v e n an d M a ry i s 72. Ho w o l d i s M a ry r i g h t n o w ?

Lời Giải

Mary^{'} s age is : 33

Các bước giải pháp

Translate the problem into an equation:

x + 5 = 44

Giải

x, x + 5 = 44 : x = 39

Tìm Mary's age

: 33

Mary^{'} s age is : 33

Ví dụ phổ biến

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