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Phổ biến Word Problems >

Shaira is 3 years older than Maryl. 4 years ago, the sum of their ages was 12.

Lời Giải

S hai r a i s 3 ye a rs o l d er t han M a ry l . 4 ye a rs a g o, t h e s u m o f t h e i r a g es w a s 12.

Lời Giải

Shaira^{'} s age is : 11 \frac{1}{2}

Maryl^{'} s age is : 8 \frac{1}{2}

Các bước giải pháp

Translate the problem into an equation:

x - 4 + x - 3 - 4 = 12

Giải

x, x - 4 + x - 3 - 4 = 12 : x = \frac{23}{2}

Tìm age

Shaira^{'} s age is : 11 \frac{1}{2}

Maryl^{'} s age is : 8 \frac{1}{2}

Ví dụ phổ biến

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