When the price of an article was reduced by 35% its sale increased by 80%. What was the net effect on the sale? Select
A) 17% increase
B) 44% decrease
C) 60% increase
D) 66% increase
E) 66% decrease
if n items are sold for $p each, revenue is $np. If we reduce the price by 35%, the new price is 0.65p. If we increase the number sold by 80%, the new number sold is 1.8n. So the new revenue is (0.65p)(1.8n) = 1.17np, which is 1.17 times the old revenue, so is 17% greater.   17% increaseNSWER:17% increase
<result>A</result>
When the price of an article was reduced by 35% its sale increased by 80%. What was the net effect on the sale?