Question

Suppose you earn 15$ for each car you wash. Which function describes the relationship between your total earnings E and the number of cars you wash, c?

A) E(c) = c + 15
B) E(c) = 15c
C) c = 15E
D) E(c) = c - 15

Answer 1

the answer is B. by multiplying them you get the whole income. i think:)

Answer 2

E(c)=15c because 15 is the cost of each car washes and c is the number of car washes