guerrero25 wrote:
Marketing executives for a certain chewing gum company projected a 20 percent increase in revenue this year over that of last year, but revenue this year actually decreased by 25%. What percent of the projected revenue was the actual revenue ?
A. 53%
B. 58%
C. 62.5%
D. 64%
E. 75%
Need some quick approach ..thanks !
We can solve this question using a concise algebraic approach
x(.75) = a 25% decrease of X
x(1.2) = a 20% increase of X
Using algebra we don't even need to plug in numbers
".75
...
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