SOLUTION: Can you help me solve this word problem please? In 10 years, Kerri's age will be 3 times what it was 10 years ago. How old is Kerri now? Thanks

Question 726848: Can you help me solve this word problem please?
In 10 years, Kerri's age will be 3 times what it was 10 years ago. How old is Kerri now?
Thanks
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Let x = Kerri's age right now

In 10 years, she will be x+10 years old.

10 years ago, she was x-10 years old

So...

"In 10 years, Kerri's age will be 3 times what it was 10 years ago"

translates to

x+10 = 3(x-10)

solve for x

x+10=3(x-10)

x+10=3x-30

x=3x-30-10

x-3x=-30-10

-2x=-30-10

-2x=-40

x=(-40)/(-2)

x=20

So Kerri is currently 20 years old.

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