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受欢迎的 Word Problems >

riley is r years old. his father is 28 years older than him and is also twice as old as him. an equation that represents this is

解答

r i l ey i s r ye a rs o l d . hi s f a t h er i s 28 ye a rs o l d er t han him an d i s a l so tw i ce a s o l d a s him . an e q u a t i o n t ha t re p rese n t s t hi s i s

解答

Father^{'} s age is : 56

Equation^{'} s age is : z

求解步骤

Translate the problem into an equation:

y - 28 = \frac{y}{2}

求解

y, y - 28 = \frac{y}{2} : y = 56

找到 age

Father^{'} s age is : 56

Equation^{'} s age is : z

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