A mixture of alcohol and water contains a total of 40oz of liquid. There are 8oz of pure alcohol in the mixture. What percent of the mixture is​ water? What percent is​ alcohol? The percent of water in the mixture is %.

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18