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Mathematics 20 Online
OpenStudy (anonymous):

Jim and jack are running a marathon which is 36 miles.Jim runs12 miles per hour and jack runs 9 miles per hour.How long will it take jim to finish the race to the nearest minute?

OpenStudy (anonymous):

distance = rate * time 36 miles = 12 mph * time (divide by 12 mph)

OpenStudy (anonymous):

time = 36 miles / (12 mph) 36/12 = 3 hours (the miles cancel) convert hours to minutes 3*60 = 180 minutes

OpenStudy (anonymous):

still dont get it

OpenStudy (anonymous):

which part

OpenStudy (anonymous):

whts the rate

OpenStudy (anonymous):

my answer is 60

OpenStudy (anonymous):

computer problems

OpenStudy (anonymous):

the rate is the speed or 12 miles per hour

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