Question

65% of a number is 21 less than 4/5 of that number what is the number.

Answer 1

let the no be x
65% of x is 4x/5-21
65x/100=4x/5-21
65x/100= 4x -105/5
65x×5=100×(4x-105)
325x=400x-10500
10500=400x-325x
x=10500/75
x=140


hope it will help you

Answer 2

Answer:

Let the number be x

65% of x is 4x/5-21

65x/100=4x/5-21

65x/100=4x-105/5

65x×5=100×(4x-105)

325x=400x-325x

x=10500/75

x=140

Hope it helps!