If the sum of a number and its square is 240, What is the number?
Choose the most appropriate option:	A) 15	B) 77	C) 25	D) 87	E) 171
Explanation:   Let the integer be x.   Then, x + x2 = 240   x2 + x - 240 = 0   (x + 16) (x – 15) = 0   x = 15   15NSWER: 15
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If the sum of a number and its square is 240, What is the number?