Please help me with this problem

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Please help me with this problem

by Architj » Wed Apr 22, 2015 7:19 pm
The annual budget of a certain college is to be shown on a circle graph. If the size of each sector of the graph is to be proportional to the amount of the budget it represents, how many degrees of the circle should be used to represent an item that is 15 percent of the budget?

(A) 15 °
(B) 36°
(C) 54°
(D) 90 °
(E) 150 °

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by GMATGuruNY » Wed Apr 22, 2015 9:04 pm
Architj wrote:The annual budget of a certain college is to be shown on a circle graph. If the size of each sector of the graph is to be proportional to the amount of the budget it represents, how many degrees of the circle should be used to represent an item that is 15 percent of the budget?

(A) 15 °
(B) 36°
(C) 54°
(D) 90°
(E) 150°
An item constituting 15% of the budget should constitute 15% of the 360° circle graph:
(15/100)(360) = (3/20)(360) = 3*18 = 54°.

The correct answer is C.
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