Question

one-fourth of a number exceeds one-fifth of the number by 4.find the number

Answer 1

Let number be X.

According to the question,

X/4 = X/5 + 4

X/4 = X + 20/5

5X = 4X + 80

5X - 4X = 80

X = 80.

Answer 2

1/4x -1/5x =4
5x-4x/20=4
x=4×20
x=80

20-16=4