The sum an integer N and its reciprocal is equal to 78/15. What is the value of N?  Options
A) 3 B) 4 C) 5 D) 6 E) 7
Write equation in N as follows   N + 1/N = 78/15   Multiply all terms by N, obtain a quadratic equation and solve to obtain N = 5.   correct answer 5
<result>C</result>
The sum an integer N and its reciprocal is equal to 78/15. What is the value of N?