Question

last year at a certain high school, there were 140 boys on the honor roll and 60 girls on the honor roll. This year, the number of boys on the honor roll increased by 25% and the number of girls on the honor roll increased by 15%. By what percentage did the total number of students on the honor roll increase? Round your answer to the nearest tenth (if necessary)

Answer 1

25% =1+(25/100)=1,25

15% = 1+(15/100)=1,15

increase coefficient 1,25*1,15=1,4375

percentage did the total number of students on the honor roll increase :

(1,4375-1)*100=43,75%

Explanation: