The annual medium income for an entry-level auto mechanic is $33934 do you know medium income for senior auto mechanic is $50856 how much more can a senior auto mechanic earn an entry level auto mechanic over 10 years

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