Posted by **RR** on Saturday, March 9, 2013 at 10:25pm.

One-third of Derick's age two years ago is equal to a quarter of his age four years from now. How old is he now?

Please provide the following:

-Representation

-Equation

-Solution

-Answer

-Checking

- Math -
**drwls**, Saturday, March 9, 2013 at 10:45pm
Let x = Derick's age now.

(x-2)/3 = (x+4)/4

Solve for x.

4(x-2) = 3(x+4)

x = 12+8 = 20

Two years ago he was 18. 1/3 of that is 6

Four years from now he is 24. 1/4 of that is also 6.

- Math -
**KALA**, Wednesday, December 9, 2015 at 8:17pm
Factorize 2x2square+8x - 10=0

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