Answer:
60 mph
Step-by-step explanation:
Their average speed while driving is ...
speed = distance / time
= (270 mi)/((3 + 1.5) h) = 60 mi/h
The Johnson family averaged 60 mph <em>while driving</em>.
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Their average speed for the trip is unknown, because we don't know how long the lunch stop was.
Answer:
congruent and perpendicular
Answer: I would say 5 days.
Step-by-step explanation:
I added both days together and divided by 2 because there are two individuals working on 20 trees and divided equally it would be 10 and it would take 5 days because that’s half.