Vedant walls 7.10 km from his home to the bus stop. He boards a bus at the bus
stop and travels 3.4
km to his school. What is the total distance that Vedant travels in metres ?
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Answer:
Step-by-step explanation:
Total distance travelled by vedant in kilometres=
10
7
+
5
3
=
10
7+6
=
10
13
.
(a) In metres=
10
13
×100
=1300 metres.
Let the distance to his office be D km
∴ the time taken at 10 kmph would be D/10 and the time taken at 15 kmph would be D/15
As per the question the time difference between the two = 2 hrs (1 p.m. – 11 a.m.)
⇒ D/10 – D/15 = 2 hrs
D = 60 km
∴ he takes 60/10 = 6 hrs when he travels at 10 kmph i.e. he starts at 7 a.m.
From the question to reach at 12 noon, he has 5 hours
∴ speed = 60/5 = 12 kmph
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