A robot can complete 8 tasks in hour. Each task takes the same amount of time. a. How long does it take the robot to complete one task? it takes the robot _ hour(s) to complete one task​

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