Question

jogs 2 1/2 km in 1 hour how many kilometres can he cover in 31/2 hours​

Answer 1

Answer:

21/2 km 1hrs

31/2 km. x hrs(let)

21x/2= 31/2

42x= 62

x= 62/42

x= 31/21

Answer 2

Step-by-step explanation:

SPEED = DISTANCE/TIME

$= > \frac{21}{2} \times 1$

$= > 10.5 \: \frac{km}{h}$

DISTANCE = SPEED × TIME

$= > \frac{21}{2} \times 10.5$

$= > 21 \times 5.25$

$= > 110.25 \: \: km$

HOPE IT HELPS YOU ⭐

AKRITI❤️