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# At Vinny’s pizza place, the price of each pizza is proportional to its

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Math Expert
Joined: 02 Sep 2009
Posts: 52161
At Vinny’s pizza place, the price of each pizza is proportional to its  [#permalink]

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10 Feb 2017, 08:38
00:00

Difficulty:

15% (low)

Question Stats:

80% (01:59) correct 20% (01:30) wrong based on 62 sessions

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At Vinny’s pizza place, the price of each pizza is proportional to its area. If a large pizza has a 14-inch diameter and sells for \$14, what does a customer pay, rounded to the nearest dollar, to buy two 10-inch diameter small Vinny’s pizzas?

A. \$14
B. \$16
C. \$18
D. \$20
E. \$22

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Joined: 05 Mar 2015
Posts: 1003
Re: At Vinny’s pizza place, the price of each pizza is proportional to its  [#permalink]

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10 Feb 2017, 10:12
Bunuel wrote:
At Vinny’s pizza place, the price of each pizza is proportional to its area. If a large pizza has a 14-inch diameter and sells for \$14, what does a customer pay, rounded to the nearest dollar, to buy two 10-inch diameter small Vinny’s pizzas?

A. \$14
B. \$16
C. \$18
D. \$20
E. \$22

14inch dia = area = 49Pi inch^2---------\$14
1 inch^2 -----------14/49Pi
thus for 2*25Pi ------------14*2*25pi/49pi (since area of 10inch dia=25Pi)

=100/7 == ~\$14

Ans A
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Joined: 05 Dec 2016
Posts: 1
Location: Canada
Schools: Molson '20 (S)
GMAT 1: 610 Q42 V32
GPA: 3.5
Re: At Vinny’s pizza place, the price of each pizza is proportional to its  [#permalink]

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18 Feb 2017, 14:32
1
14 inch pizza's area = 49Pi
10 inch pizza's area = 25Pi
2x10 inch pizza = 50Pi (almost same area as 14 inch pizza), therefore cost should be about \$14
Re: At Vinny’s pizza place, the price of each pizza is proportional to its &nbs [#permalink] 18 Feb 2017, 14:32
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# At Vinny’s pizza place, the price of each pizza is proportional to its

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