Shawn bought a hat for $17.00, shorts for $24.00 and a shirt for $12.00. How much did he spend in all? PLEASE HELP!

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.

What’s the answer ? use the picture to see the problem

What is the correct decimal form of 12%