Answer: 64.8 mph
Step-by-step explanation:
Given
Arriving time is 6 hours
return time is 4 hours
The average speed of returning 81 mph
Distance traveled while returning

the average speed of the entire trip is

Answer:
3). 1.21
4). 0.57
Step-by-step explanation:
Quarter = 25 cents
Nickel = 5 cents
Penny = 1 cent
2.73972603 or ... you can round to the nearest tenth... 2.7
Answer:
2514
Step-by-step explanation:
Do the long division and you'll find the answer.
Answer: 20 feet per second
Step-by-step explanation:
Do 80 divided by 4