Question

Four times a number is how much % increase in that number?
(A) 200%
(B) 300%
(C) 400%
(D) 500%​

Answer 1

Answer:

let the no. be x

4 times of the no. is 4x

Difference=4x-x=3x

Increase percent=

3x/x × 100 %

=3×100 %

=300%