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Phổ biến Word Problems >

a mother is 3 times as old as her daughter. The sum of their ages is 60. How old is the mother.

Lời Giải

a m o t h er i s 3 t im es a s o l d a s h er d a ug h t er . T h e s u m o f t h e i r a g es i s 60. Ho w o l d i s t h e m o t h er .

Lời Giải

Mother^{'} s age is : 45

Các bước giải pháp

Translate the problem into an equation:

3 x + x = 60

Giải

x, 3 x + x = 60 : x = 15

Tìm Mother's age

: 45

Mother^{'} s age is : 45

Ví dụ phổ biến

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