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Phổ biến Word Problems >

Tim is 5 years older than Joann. Six years from now the sum of their ages will be 79. How old are they?

Lời Giải

T im i s 5 ye a rs o l d er t han J o ann . S i x ye a rs f ro m n o w t h e s u m o f t h e i r a g es w i ll b e 79. Ho w o l d a re t h ey ?

Lời Giải

Tim^{'} s age is : 36

Joann^{'} s age is : 31

Các bước giải pháp

Translate the problem into an equation:

x + 6 + x - 5 + 6 = 79

Giải

x, x + 6 + x - 5 + 6 = 79 : x = 36

Tìm age

Tim^{'} s age is : 36

Joann^{'} s age is : 31

Ví dụ phổ biến

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