math
posted by Paul .
Paul is making loaves of raisin bread to sell at a fundraising event. The recipe calls for 1/3 cup of raisins for each loaf, and Paul has 3 1/4 cups of raisins
a) How many loaves can Paul make?
b) How many cups of raisins will he have left over?
Go step by step to how to do this question please!!

Somebody answer this please I need to get this i have a test in 20 minutes

a. Divide 3 1/4 by 1/3. Remember to use a whole number since you can't have a fraction of a loaf.
b. Subtract the answer from a from 3 1/3 
Give me another question for me to answer please i want to make sure i know this

i did
3 1/4 divided by 1/3
13/4 x 3/1 =
39/4
what do i do next? 
Paul's Pizzeria sells 45 cheese pizzas and 20 pepperoni pizzas each week.
What is the ratio of cheese pizzas to pepperoni pizzas sold each week by Paul's Pizzeria?
A.
9 : 4
B.
3 : 1
C.
4 : 2
D.
9 : 2