Abaker has 10 cups of sugar to make cookies each batch calls for 1 1/3 cups sugar how many batches can he make

Really need on these. i have no idea what to do

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

Find the maximum value of p= 4x + 5y subject to the following constraints :