Four-fifth of a number is more than three-fourth of the number by 4. Find the number

Explanation

Let the required number be `x`.
Then four-fifths of the number`=4/5x`.
Given:`4/5x` is more than `3/4x` by `4`.
According to the question:
`4/5x-3/4x=4`
`(16-15)x/20=4`
`x/20=4`
`x=80`
`therefore` The required number`=80`