Question

Dave can run the 440 yard dash in 55 seconds, and Jack can run it in 88 seconds. How great a handicap must Dave give Jack for the boys to finish the race at the same time?

Answer 1

lol let me fix that

Answer 2

hmmm

Answer 3

speed of dave=440/55=8 yard per sec
speed of jack=440/88=5 yard per sec
as dave must slow down to finish the race together as dave have to give a hand so must slow down

Answer 4

so they must run with same speed= 5yard per sec
so dave should slow down to 5 yard per sec
so must slowed by 3 yard per sec