Question

a number when multiplied by 3 increases by 20 find the number

Answer 1

Solution:let the number be x.

A/q when it is multiplied by 3 it will 3x and when added by 20 it will be x+20.

Now,. 3x = x+20.

=> 3x-x =20.

=> 2x =20.

=> x = 20/2.

=> x = 10.

Therefore,the number is 10.