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Phổ biến Word Problems >

David is four years older than Joaquin. The sum of their ages is 36. FIND EACH PERSONS AGE

Lời Giải

D a v i d i s f o u r ye a rs o l d er t han J o a q u in . T h e s u m o f t h e i r a g es i s 36. F I N D E A C H PERSONS A GE

Lời Giải

David^{'} s age is : 20

Joaquin^{'} s age is : 16

Các bước giải pháp

Translate the problem into an equation:

x + x - 4 = 36

Giải

x, x + x - 4 = 36 : x = 20

Tìm age

David^{'} s age is : 20

Joaquin^{'} s age is : 16

Ví dụ phổ biến

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