Julie left home for examination centre at 9:00 am
and the reporting time was 10:15 am. After driving
for half an hour at an average speed of 20km/hr,
she realized that she would get late so she increased
her speed by 40% and reached exactly on reporting
time. What is the distance of the examination centre
from Julie's home?
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Answer:
Total time=1/2+ 3/4 = 1 1/4hrs
1.) distance= 1/2 hr x 20 km/hr = 10km
2) distance=3/4hrx20x140/100x=
21 km
Total distance = 10+21 = 31kms
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