If 24 houses can be built by 3 builders in a fixed period of time, how many houses can be built by 7 builders

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.

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

Math it's appreciated. (picture provided)