which ones are they there are 3 of them help?

Answer: Speed=210 hours/3.5 hours, 210 miles=3.5 hours*speed, and 3.5 hours=210 miles/speed. May you check my answer?
Step-by-step explanation:
Answer:
Speed=210 hours/3.5 hours, 210 miles=3.5 hours*speed, and 3.5 hours=210 miles/speed.
Step-by-step explanation: