The answer to your question is the fraction 1/216
First you have to multiply 1,500 by 65%. A way to do that is 1,500 x 65 and then divide by 100.
So 1,500 x 65 is 97,500.
97,500 divided by 100 is 975.
The final answer is that there are 975 girls in the school.
I'm guessing "Franken Berry Fanatic Starry" like the cereal. That's what my research tells me.
I don't either it is quite hard to be fair