25-07-2017
Mathematics

contestada

In 30 years, Sue will be 1 1/2 times as old as she is now. How old is she now? A) 15 B)20 C)45 D)60

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trombonebookworm trombonebookworm

25-07-2017

You can use an equation to find the answer.

I'm going to use the variable x as Susie's age.

x+30=1.5x
-0.5x=-30
x=60

So, Susie is 60 years old right now, which fits in to the problem perfectly (is she's alive in 30 years...).

Hope this helps!

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