Which number sentence correctly compares two numbers 46315 29073 equals 20000 + 9000 + 700 + 3 10000 + 6000 + 4 -16410 86 502

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