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受欢迎的 Word Problems >

Julie's age is half of Ennie's age. Ennie is Emma's twin, and Emma is 3/5 of Zanak's age. The sum of their ages is 60, how old is Julie?

解答

J u l i e^{'} s a g e i s ha l f o f E nni e^{'} s a g e . E nni e i s E mm a^{'} s tw in, an d E mma i s \frac{3}{5} o f Z ana k^{'} s a g e . T h e s u m o f t h e i r a g es i s 60, h o w o l d i s J u l i e ?

解答

Julie^{'} s age is : 7 \frac{1}{5}

求解步骤

Translate the problem into an equation:

\frac{1}{2} \cdot \frac{3}{5} x + \frac{3}{5} x + \frac{3}{5} x + x = 60

求解

x, \frac{1}{2} \cdot \frac{3}{5} x + \frac{3}{5} x + \frac{3}{5} x + x = 60 : x = 24

找到 Julie's age

: 7 \frac{1}{5}

Julie^{'} s age is : 7 \frac{1}{5}

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