Question

copic use my
10. Ramesh could run a 100-m race in 20 seconds. After training, he can finish the race in
15 seconds. By how much has he improved his speed?​

Answer 1

Step-by-step explanation:

Ramesh's speed before training = d/t

=

20

100

=5m/s

Ramesh's speed after training = d/t

=

15

100

=6.66m/s

So, his speed increased by = 6.66−5=1.66 m/s