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Old 05-24-2011   #1
Join Date: Nov 2010
Posts: 1
Lightbulb an interesting problem

solve for y

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Old 05-24-2011   #2
Mr. Hui

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Posts: 10,609

Use inverse operations to isolate the variable. In this equation, divide both sides of the equation by 0.2.

Do Math and you can do Anything!
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Old 07-03-2011   #3
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Join Date: May 2011
Posts: 86

Originally Posted by aryana View Post
solve for y


Divide both sides of the equation by 0.2.

Result =
y = 40

Another possible solution

Multiply both sides of the equation
by five, because you are trying
to get "y."
Result Left Side = 0.2y x5 = y
Result Right Side = 8x5 = 40

Last edited by Pi=; 08-18-2011 at 01:29 PM.. Reason: another solution as well
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Old 09-19-2011   #4
Join Date: Sep 2011
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thanks every obdy ity was a mind blaster
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Old 09-21-2011   #5
Jonathan W
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y = 40

Last edited by Jonathan W; 12-31-2011 at 07:33 PM..

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