Need + fast! i suck at math
number of rides taken | cost of fair
1 | $10.00
2 | $12.50
3 | $15.00
4 | $17.50
possible answers

a. c=2.50+7.50n
b. c=2.50+2.50n
c. c=7.50 + 2.50n
d. c=2.50 + n

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