Question

The difference between a number ad 30%of number is 140, then 50% of the number is what?

Answer 1

Let us assume the original number as x

according to the question:

x-(30/100)*x=140

multiply by 100 on both sides to get rid of the denominator

100x-30x=14000

70x=14000

x=200

they are asking for 50% of the number

so 200*50/100=100

the answer is 100

hope it helped!