Question

3/5 of a number is 30 more than 50% of the number.find the 80% of that number.

Answer 1

Let the number be x

A.T.Q.

3/5 of x = 30+50% of x

3x/5 = 30+50x/100

3x/5= 30+x/2

3x/5-x/2 = 30

6x-5x/10 = 30

x/10 = 30

x = 30*10

x = 300

Hence, the number is 300