Problema Solution
If a number is added to the numerator of 7/8 and the same number is subtracted from the denominator, the result is 4. Find the number.
Answer provided by our tutors
let 'x' be the number we are looking for
(7 + x)/(8 - x) = 4
by solving we find
x = 5
click to see the step by step solution of the equation
indeed
(7 + 5)/(8 - 5) = 12/3 = 4
the number is 5.