Sam is a waiter at a local restaurant where he earns wages of $5 per hour. Sam figures that he also earns 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 E, his total earnings for the day?

a. E (n) = 3n

b. E (n) = 3n + 30

c. E (n) = 5n + 18

Question

Mathematics

Matthew Fields

16 June, 04:37

Sam is a waiter at a local restaurant where he earns wages of $5 per hour. Sam figures that he also earns 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 E, his total earnings for the day?

a. E (n) = 3n

b. E (n) = 3n + 30

c. E (n) = 5n + 18

+3

Answers (1)

Know the Answer?

Viviana Steele · Answer 1

Sam's total earnings, E (n) can be obtained by taking the sum of his base pay $30 (5 dollars per hour multiplied by 6 hours), and tips ($3 multiplied by each tip obtained n).

This can be shown in the equation below:

E (n) = 3n + 30