SOLUTION: a shopkeeper sold a pen for Rs.13.20 to make a profit of 10 percent.in order to earn a profit of 15 percent,he should have sold it for..?

SOLUTION: a shopkeeper sold a pen for Rs.13.20 to make a profit of 10 percent.in order to earn a profit of 15 percent,he should have sold it for..?

Algebra.Com

Question 871291: a shopkeeper sold a pen for Rs.13.20 to make a profit of 10 percent.in order to earn a profit of 15 percent,he should have sold it for..?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
W + .10W = $13.20
W = $13.20/1.10 = $12
$12 + .15($12) = $13.80
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