Question

0 A student walks from his house at 21 km/h
and reaches his school late by 6 minutes
Next day, he increases his speed by Kushy
and reaches 6 minutes before school- time.
How far is the school from his house?​

Answer 1

= 12 min =12 hr =1

60. 5

hr

:2x - 2x =1

5. 7. 5

=14x - 10x = 7

x=1 3 Km..

4