The number of times the rapper performed this year given the number of times he performed last year is 90.
Percentage is the fraction of an amount expressed as a number out of hundred. Percentage is a measure of frequency.
The number of times he performed this year = (1 + percentage) x number of times he performed last year
(1 + 1.25) x 40 = 90
Here is the complete question: Last year, a rapper performed 40 times. This year the rapper performs 125% of that number of times. How many times did he perform this year.
To learn more about percentages, please check: https://brainly.com/question/25764815