Question

Adding 3/8 to a number increases it by 5% of its original value. What is the original

Answer 1

So 3/8 = 5% of original number

3/8 = 0.375

0.375 = 5%  (x2)
0.75 = 10%  (x10)
7.5  = 100%

Therefore original number = 7.5