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goldenfox [79]
3 years ago
10

As a result of a transfer from one school to another, a boy has to walk one

Mathematics
1 answer:
Softa [21]3 years ago
6 0

Answer:

Let the distance of school and house is x k m

Then time taken at speed 2.5 km\hr=

2.5

x

hr

And time taken at speed 4 km\hr=

4

x

hr

∴

2.5

x

−

4

x

=

60

12

⇒

10

4x−2.5x

=

5

1

⇒x=3 km

Then the distance of school and house is 3 k m

may this help you

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