Given that a driver takes 90 minutes to
drive the first 50 miles, what should be
the time for the next 70 miles in order to
have 50 miles/hour avg speed?
Answers
Answered by
7
Answer:
54 minutes
Step-by-step explanation:
avg speed is total distance/total time
for 50mph speed=120*60/90+x
where x is the remaining time
*60because 90 is minutes
90+x=144
x =54 minutes
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Answered by
1
Answer:
given 90minutes to travel 50miles
70miles ====
=630/5
=126minutes
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