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Phổ biến Word Problems >

Karlo’s father is 26 years older than Karlo. The sum of their ages five years ago is42. How old are they now?

Lời Giải

K a r l o ’ s f a t h er i s 26 ye a rs o l d er t han K a r l o . T h e s u m o f t h e i r a g es f i v e ye a rs a g o i s 42. Ho w o l d a re t h ey n o w ?

Lời Giải

Father^{'} s age is : 39

Karlo^{'} s age is : 13

Các bước giải pháp

Translate the problem into an equation:

x - 26 - 5 + x - 5 = 42

Giải

x, x - 26 - 5 + x - 5 = 42 : x = 39

Tìm age

Father^{'} s age is : 39

Karlo^{'} s age is : 13

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