Answer :
Note: given x and y have the same product the smallest sum of x and y are if they are closer together
Thus finding the factors of 90: 1, 2,3,5,6,9,10,15,18,30,45,90. So the closest are 9 and 10
There fore 19+19=38
Thus finding the factors of 90: 1, 2,3,5,6,9,10,15,18,30,45,90. So the closest are 9 and 10
There fore 19+19=38