Total miles:350+150=500
Total hours:4+3=7
Avg speed:500/7=71.429 mph
Answer:
x=2.75
Step-by-step explanation:
The answer will be correct.
The average speed can be obtained by the formula:

If a boat travels 36 miles in 1.5 hours ans then in 14 miles in 0.75 hour, then find:
- total distance is 36+14=50 miles;
- total time: 1.5+0.75=2.25 hours.
Therefore,
miles per hour.
Answer:
miles per hour.
m is equal to 3. Need I say more?