Question

HELP!!!!!The equation C= 5n represents the cost C

in dollars for n caps that advertise the walkathon. Which of the
following ordered pairs could represent a number of caps and the
cost for that number of caps, (n, C)?
A. (0,5)
B. (3, 15)
C. (15,60)
D. (5,1)

Answer 1

if C=5n then the Y-intercept (C) is 5 times as much as the X and since 15/3 is 5 the answer is B