Question

a) If I take three-fourths of a number and add 3 to it, I get 21.

Answer 1

Answer:

24

Step-by-step explanation:

Let the number be x.

Three fourth of the number is 3x/4.

Add 3 to it.

3x/4 + 3=21

3x/4=18

3x=72

x=24.

So the required value is 24.

Answer 2

Step-by-step explanation:

let be the number x

The equation is :- 3/4x +3 =21

3/4x=21-3

x=18×4/3

x=24