John and Jivanti together have 45 marbles. Both of them lost 5 marbles each , and the product of the number of marbles they now have is 124.
From the quadratic equation to find how many marbles they had to start with , if John had x marbles.
A. 36 , 9
B. 20 , 25
C. 30 , 15
D. 27 , 18
