Question

Jonah was keeping track of how many cars drove by every hour. He realized that the number of cars were in a sequence that followed the pattern n + 5. How many cars drove by on the 15th hour?

A. 75
B. 10
C. 3
D. 20

Answer 1

would you add 15 + 5 = 20 ?

Answer 2

\[\Large a _{n} = n+5\] where n is the number of the hour. You want the 15th hour, so n=15.

Answer 3

Ok thank you I understand so the answer is D right ? :)

Answer 4

Yep :)