Answer:
2 hours
Step-by-step explanation:
Car travels from A to B at 60 miles/hour. Time of travel = 120/60 = 2 hour. Average speed of round trip = (120+120)/(2+3) = 48 miles per hour.
The slope is 300 and the y-intercept is 10,000
Answer: 121
Step-by-step explanation:
8 / 200 = 4 / 100 = 0.04 ;