Martha biked quite a few days last month. She biked 25 miles the first day and 15 miles each day after that. Let m represent the number of days after the first day.

Which expression shows the total distance Martha biked last month?

A.
25m + 15

B.
15m + 25

C.
15 + 25 + m

D.
(15 + 25)m

Question

Martha biked quite a few days last month. She biked 25 miles the first day and 15 miles each day after that. Let m represent the number of days after the first day.
 
Which expression shows the total distance Martha biked last month?
 
 A.
25m + 15
 
 B.
15m + 25
 
 C.
15 + 25 + m
 
 D.
(15 + 25)m

anonymous · Answer

B because only for the first day she biked 25 miles.  each day after that she biked only 15