it is b because it has no numbers that repeat
Z=1 eventually you get 15 divided by 15 giving you Z=1 it’s a long equation
I think its 180/24 here is my work
so you find the lcm of 
Answer:
A)3.125hr
B)53.325mi
Step-by-step explanation:
speed=distance/time
an hour and 15min=1.25hr
32/1.25=25.6mi/hr
80/25.6=3.125hr
B)
2hr and 5min=2+5/60=2.083hr
2.083x25.6=53.325mile