Pls help . explain how you got the answer as well.. so i can understand how to do it

Need on this geometry question. explain how you did it.

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

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