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Popular Word Problems >

Kevin is 3 times as old as Daniel. 4 years ago, Kevin was 5 times as old as Daniel.How old is Daniel now?

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Solution

Kevinis3timesasoldasDaniel.4yearsago,Kevinwas5timesasoldasDaniel.HowoldisDanielnow?

Solution

Daniel′sageis:8
Solution steps
Translate the problem into an equation:3x−4=5(x−4)
Solve for x,3x−4=5(x−4):x=8
Daniel′sageis:8

Popular Examples

A man is four times as old as his son. Six years ago the man was ten times as old as his son.Tyler is nine years older than his sister Tina. Twelve years ago, Tyler was four times as old as Tina. Find their ages now.Mary is 2 years older than Ed, and 3 years ago Mary was twice as old as Ed. Find their persent ages.Lucy is three times as old as Alex. Lucy is 7 years older than Megan. The sum of their ages is 126Bob's age is twice that of Barry's. Six years ago, Bob was three times older than Barry. Find the age of both.
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