Find a positive number which when increased by 17 is equal to 60 times the reciprocal of the number.  Choose the correct choice from the following answers
A) 3
B) 5
C) 7
D) 12
E) 15
Sol.   Let the number be x.   Then, x+17 = 60/x   ⇔ x2 + 17x - 60 = 0   ⇔ (x+20)(x-3) = 0   ⇔ x = 3.   3nswer 3
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Find a positive number which when increased by 17 is equal to 60 times the reciprocal of the number.