SOLUTION: kate and chris are training for a marathon. kate can run 3.5 mph while chris runs 6mph. if chris gives kate a 1 mile head start, when will he pass her?

Question 209689: kate and chris are training for a marathon. kate can run 3.5 mph while chris runs 6mph. if chris gives kate a 1 mile head start, when will he pass her?
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
kate and chris are training for a marathon. kate can run 3.5 mph while chris runs 6mph. if chris gives kate a 1 mile head start, when will he pass her?
.
You will need to apply the distance formula:
d = rt
where
d is distance
r is rate or speed
t is time
.
Let t = time Chris passes Kate
then
6t = 3.5t + 1
2.5t = 1
t = 1/2.5
t = .4 hours
or, in terms of minutes:
.4*60 = 24 minutes

RELATED QUESTIONS
My Chris and John decided to go running mate can run 4 mph Chris can run 6 mph and John... (answered by greenestamps,ikleyn)

Hello. My question is about uniform motion. The problem is as follows: Chris and... (answered by ankor@dixie-net.com)

Kate runs 3 miles a day. If she runs every day for a year (365 days ), how much more or... (answered by Alan3354)

Chris and Michelle arrive in North Carolina by plane at 7:00 a.m. After renting their... (answered by ptaylor)

Chris and Pat exercise together by running in opposite directions around a 108m circular... (answered by Boreal)

Albert has 3 daughters, Kate, Liz and Marina. 2 of them are Blonde and one, Brunette. If... (answered by solver91311)

john and kate own stock .they each own half of the stock. if john gives kate 2/3 of his... (answered by mananth)

Maureen can run at a rate that is 3 miles per hour faster than her friend Hector's rate.... (answered by josgarithmetic)

Kate and Jean paint a house together in 6 days. If they work alone, Kate takes 5 fewer... (answered by richwmiller)