in September there were 80 students in Grade 7 . by the end of the year there are 92 students. In percent, how many more students are htere at the end of the year than there were in September (Round you answer to the nearest percent.)
There are 27.5% more no need for rounding.
To find the percentage more, divide the amount of increase by the original amount and change that fraction into a percentage.
Amount of increase: 92 - 80 = 12
Original amount: 80
Fraction of increase: 12/80 = 0.15
Written as a fraction (multiply by 100): 0.15 x 100 = 15%