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02 Mar 2015, 08:23
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E
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Difficulty:
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74% (01:18) correct
26%
(01:13)
wrong
based on 226
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Given that a “12-inch pizza” means circular pizza with a diameter of 12 inches, changing from an 8-inch pizza to a 12-inch pizza gives you approximately what percent increase in the total amount of pizza?
(A) 33
(B) 50
(C) 67
(D) 80
(E) 125
Kudos for a correct solution.
(A) 33
(B) 50
(C) 67
(D) 80
(E) 125
Kudos for a correct solution.
02 Mar 2015, 09:10
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area of 8 inch pizza= 4*4*pi=16 pi
area of 12 inch pizza =6*6*pi=36 pi
20/16*100=125% increase
36> 32(100% increase) hence its greater than 100% hence its option E as its only option with 100+ hence answer is E
area of 12 inch pizza =6*6*pi=36 pi
20/16*100=125% increase
36> 32(100% increase) hence its greater than 100% hence its option E as its only option with 100+ hence answer is E
02 Mar 2015, 19:08
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Bunuel
Given that a “12-inch pizza” means circular pizza with a diameter of 12 inches, changing from an 8-inch pizza to a 12-inch pizza gives you approximately what percent increase in the total amount of pizza?
(A) 33
(B) 50
(C) 67
(D) 80
(E) 125
Kudos for a correct solution.
(A) 33
(B) 50
(C) 67
(D) 80
(E) 125
Kudos for a correct solution.
(36\({pi}\)-16\({pi}\))/(16\({pi}\)) = 5/4
125%
Answer: E
