Asked by thomas
Formerly 1/6 of a pie cost 20 cents.Now the price of 1/8 of a pie is 30 cents.The per cent increase is
a. 10%
b. 20%
c. 33 1/3%
d. 50%
e. 100%
My answer is d, anybody can tell me right or wrong, if wrong tell me the answer
1/6 cost 20 cent
1/8 cost 30 cent
20/100=0.2
20-30 increase 10
so, 10/0.2=50%
a. 10%
b. 20%
c. 33 1/3%
d. 50%
e. 100%
My answer is d, anybody can tell me right or wrong, if wrong tell me the answer
1/6 cost 20 cent
1/8 cost 30 cent
20/100=0.2
20-30 increase 10
so, 10/0.2=50%
Answers
Answered by
Damon
first pie cost 6 * 20 = 120 cents
second pie cost 8 * 30 = 240 cents
it doubled which is an increase of 100 %
[ (240 -120)/120 ] * 100 = 100%
second pie cost 8 * 30 = 240 cents
it doubled which is an increase of 100 %
[ (240 -120)/120 ] * 100 = 100%
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