Two persons are to run a race, but one can run 10 meters per second, whereas the other can run 4 meters per second. if the slower runner has a 75-meter head start, how long will it be before the faster runner catches the slower runner, if they begin at the same time?

12.5 seconds

Step-by-step explanation:

Speed of the first person = 10 meter per second

Speed of the second person = 4 meter per second

Relative velocity of faster person = 10 - 4 = 6 meter per second

since distance between both the person is = 75 meter.

Therefore, time to cover this distance by faster person =

= 12.5 seconds.

Faster runner catches the slower runner after 12.5 seconds.

where is the page?

step-by-step explanation:

add all the numbers and check the ones place.

the answer is 486. as the ones place is more than 4, the estimation will be the next 10 ie, 490