If 5 kids are reading books in the library and they're are 12 kids and the other kids want to read to but it takes 33 minutes to read a book and it is 3pm and it closes at 5pm how many kids will get to read out of the 12

The amount of energy it takes to lift a box might be a function of which of the following

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

How do i do this? i don’t understand