Question

ramesh could run a 100m race in 20 second after training he can finish the race in 15 second. by how much time he has improve his speed​

Answer 1

Answer:

5 seconds

Step-by-step explanation:

Before traning he finished the race in 20 seconds and after the training he finished the race in 15 seconds. we have to find by how much his timing was improved. so we have to subtract 15 seconds from 20 seconds

20 seconds -15 seconds =4 seconds.