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by [email protected] » Fri Jan 02, 2009 2:54 pm
12. Kim has 40 percent more money than Sal and Sal has 20 percent less money than Phil. If Sal and Phil have a combined total of $1.80, how much money does Kim have?
(A) $1.00
(B) $1.12
(C) $1.20
(D) $1.32
(E) $1.40
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by cramya » Fri Jan 02, 2009 2:58 pm
Let x be the money Phil had

Sal = .80x

Kim = .80x + 40/100*.80x

x+.80x=1.8

x=1 (Phil)

Sal = .80 $

Kim = .80 + 40/100*.80
= . 80 * 140/100
= 1.12

Choose B)
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