18-09-2017
Mathematics

contestada

In twenty years, Kayleen will be four times older than she is today. What is her current age?

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chandowd chandowd

18-09-2017

Well there is to equations here that must be equal. X+20=4X Four times old means 4X+X=5X.

If you work to simply the problem you get something that looks like this:
X+20=5X
20=4X
x=20/4 or 5 y/o!

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