Question

The numerator of a certain fraction is four times the denominator. If 10 is added to both numerator and denominator the resulting fraction is equivalent to 2. What is the original fraction?

Answer 1

20/5 4x/x adding 10 to each 4x+10/x+10 =2 Multiple x+10 to each side 4x+10=2x+20 Then subtract and get 2x=10 Divide X=5 Now plug it back in 20/5