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by saurabhmahajan » Sat Oct 23, 2010 9:34 am
Please explain
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by Tani » Sat Oct 23, 2010 2:31 pm
A: K = J + 2,000 - no help.

B: with p% increase for each of them, Karen will make $2440 more than Jason

K(1 + p/100) = J (1 + p/100) + 2440 - no help, you still have too many variables.


Together:
Substitute (J + 2000) for K in the second equation.

(J + 2000)(1 + p/100) = J (1 + p/100) + 2440

then: J(1+ p/100) + 2000 (1 + p/100) = J(1+ p/100) + 2400.

subtract J(1 + p/100) from each side you get

2000 (1+p/100) = 2440

p = 22%
Tani Wolff
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