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受欢迎的 Word Problems >

felicia's age is 0.25 of Joe's. in 20 years, joe's age will be 1.5 times of felicia's. calculate each girl's present age

解答

f e l i c i a^{'} s a g e i s 0.25 o f J o e^{'} s . in 20 ye a rs, j o e^{'} s a g e w i ll b e 1.5 t im es o f f e l i c i a^{'} s . c a l c u l a t e e a c h g i r l^{'} s p rese n t a g e

解答

Joe^{'} s age is : 16

Felicia^{'} s age is : 4

求解步骤

Translate the problem into an equation:

x + 20 = 1.5 (0.25 x + 20)

求解

x, x + 20 = 1.5 (0.25 x + 20) : x = 16

找到 age

Joe^{'} s age is : 16

Felicia^{'} s age is : 4

流行的例子

5 less than a number is 15 Emma is five years older than Joe. The sum of Emma and Joe's age is 140 How old is Emma and how old is Joe If the radius of a circle is 15 m, what is its 周长?5 less than a number is 10 The 半径 of a circle is 6 cm. Find its area