81/5 ( 4 2/5 + 3 3/10)
what is the answer

Ineed ! the person who answers and shows their work on they got the answer first will be marked the !

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.

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?