of 10: You take the bus to work and need to arrive by 9:00 a.m. The bus ride takes 25 minutes. It takes you...

QUESTION 2 of 10: You take the bus to work and need to arrive by 9:00 a.m. The bus ride takes 25 minutes. It takes you 10 minutes to get to the bus stop from home and 10 minutes to get to work from the bus stop. If buses leave the bus stop at the following times, which is the last bus you can take to get to work on time?
a) 7:20 a.m.
b) 7:50 a.m.
c) 8:20 a.m.
d) 8:50 a.m.