SOLUTION: Two runners are needed to get some medicine to a village 22 km away. The first runner starts the trip and runs for one hour. She then hands the medicine to the second runner, who t

Question 718798: Two runners are needed to get some medicine to a village 22 km away. The first runner starts the trip and runs for one hour. She then hands the medicine to the second runner, who takes it the rest of the way in 45 minutes. If the second runner runs 1.5 km/hr faster than the first, how fast was the first runner running? (Round off to the nearest whole number.)
a) 10 km/hr
b) 11 km/hr
c) 12 km/hr
d) 13 km/hr
How do I solve this problem?
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
One way is to examine the first length and the second length and treat their sum.

First length: kilometers.
Second length: kilometers.

First length plus second length is 22 kilometers.
and solve for R from this. R is the slower runners speed.

,
Final Answer: R=12 kilometers per hour.
RELATED QUESTIONS
A runner starts at the beginning of a runners' path and runs at a rate of 6 miles per... (answered by rfer)

A runner starts at the beginning of a runners� path and runs at a constant rate of 5... (answered by josmiceli)

2 runners are running a track one runner runs it in 24 min, the other runner in 36... (answered by ankor@dixie-net.com,checkley77)

Runners running on a curved track starting point are staggered. This is so each runner... (answered by Fombitz)

A high school track coach determines that his fastest long distance runner runs 2 miles... (answered by ankor@dixie-net.com)

Two runners are running toward each other from opposite ends of a six mile stretch. One... (answered by Alan3354)

Two runners start running at the same time from start/finish line of a 400 meter oval... (answered by ankor@dixie-net.com)

Ed is a runner and he runs a 8 km loop every day.��The first 4 km, he runs at... (answered by jim_thompson5910)

Four runners are competing for a gold medal in 400 meters hurdles. Runner B is twice as... (answered by stanbon)