9514 1404 393
Answer:
B. 148 miles
Step-by-step explanation:
The rate at which their separation increases is the sum of the two speeds:
32 mph +42 mph = 74 mi/h
The distance after 2 hours is ...
separation distance = (separation speed) × time
= (74 mi/h) × (2 h) = 148 mi
Maria and Ming will be 148 miles apart after 2 hours.