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# ps: revenue

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Manager
Joined: 10 Oct 2005
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13 Oct 2005, 10:32
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A certain company that sells only cars and trucks reported that revenues from car sales in 1997 were down 11 percent from 1996 and revenues from truck sales in 1997 were up 7 percent from 1996. If total revenues from car sales and truck sales in 1997 were up 1 percent from 1996, what is the ratio of revenue from car sales in 1996 to revenue from truck sales in 1996?

A. 1 : 2
B. 4 : 5
C. 1 : 1
D. 3 : 2
E. 5 : 3
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13 Oct 2005, 10:47
A 1:2

If x = revenue of car sales in 96
& y = revenue of truck sales in 96

The '97 results can be written as
decrease in car revenue + increase in truck revenue = 1.01% from '96 total revenue.

.89x + 1.07y = 1.01 (x + y)
Solving,
.06y = .12x
and so x/y = 6/12 = 1/2
13 Oct 2005, 10:47
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