Joshua B.

asked • 10/24/17

Algebra age word problem .

If you decrease Marvin's age by 25%, you will find his age 4 years ago. How old is Marvin now ?
 
I need help with this problem .

1 Expert Answer

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Mark M. answered • 10/24/17

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If 25% (one-fourth) of Marvin's age is 4, then 4 times 4 is Marvin's age.
 
What is Marvin's age?
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Joshua B.

Is there any way you can write this as an equation ?
is helps me understand a bit better thank you .
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10/24/17

Mark M.

a represents Marvin's age
a - 25%a = a - 4
a - 0.25a = a - 4
-0.25a = -4
a = 16
 
Good?
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10/24/17

Joshua B.

Thank you for the help !!!!
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10/24/17

Mark M.

You are welcome!!!
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10/24/17

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