Ms. russell has 24 students in her class. 3/8 of the class went out for recess. 1/4 went to the library. the rest stayed in the classroom.
a. what fraction of the class was out of the classroom?
i know this answer is 5/8
b. how many students is that?

On the april 3 billing date, michaelle chappell had a balance due of $ 1495.39 on her credit card. from april 3 through may 2, michaelle charged an additional $ 305.34 and made a payment of $ 800.a) find the finance charge on may 3, using the previous balance method. assume that the interest rate is 1.8 % per month. b) find the new balance on may 3.

Ineed if you could explain and give me the answer you! this needs done

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1