18 first-graders and 72 other students attended a school assembly. what percentage of the students at the assembly were first-graders?

Answer this question! 30 points and brainliest! only if you know the answer.

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?

Determine the fraction of total interest owed. after the fourth month of a 12-month loan: the numerator is: {(n + ) + (n + ) + (n + ) + (n + )} = , and the denominator is: {(n) + (n + 1) + + (n + )} = . therefore, the fraction is numerator/denominator (to the nearest tenth) =