Answer:
Speed-69kmph
Time-2hrs
Distance=Speed*Time
=69*2=138km
New speed=80kmph
New time=Distance/Speed
=138/80 hr
=1.725 hr
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Verified answer
Answer:
Speed-69kmph
Time-2hrs
Distance=Speed*Time
=69*2=138km
New speed=80kmph
New time=Distance/Speed
=138/80 hr
=1.725 hr