SOLUTION: Jenny ran in a 10 kilometer race. She ran at a rate of 9.5 kilometer per hour for the first 4 kilometers. Then she ran at a rate of 7 kilometer per hour for the remainder of the

SOLUTION: Jenny ran in a 10 kilometer race. She ran at a rate of 9.5 kilometer per hour for the first 4 kilometers. Then she ran at a rate of 7 kilometer per hour for the remainder of the

Algebra.Com

Question 1035984: Jenny ran in a 10 kilometer race. She ran at a rate of 9.5 kilometer per hour for the first 4 kilometers. Then she ran at a rate of 7 kilometer per hour for the remainder of the race. How long did it take her to finish the race?
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
60/9.5*4=25.3 min
60/7*6=51.4 min
total =76.7 minutes
RELATED QUESTIONS
In a 10 kilometer race, Bill ran 12 kilometers per hour while Leo ran 10 kilometers per... (answered by josmiceli)

Stanley ran a 5 kilometer race in 30 minutes. What was his speed in kilometer per hour?... (answered by rfer)

In a large marathon, runners start the race in stages. Leanna started in group E and ran (answered by solver91311)

Sylvia ran for 15 minutes at a rate of 5 miles per hour and then walked for 15 minutes at (answered by josmiceli)

Julieta ran a marathon of 26 miles in 3.5 hours. During part of the race she ran at 6... (answered by Paul)

Bill ran at 12 kilometers per hour while Leo ran at 10 kilometers per hour. How long did... (answered by ankor@dixie-net.com)

Adam ran a 15-kilometer race. He completed the race in 1.6 hours. Adam�s speed for the... (answered by macston)

Cathy ran for 30 min at the rate of 5.5 mi/h. Then she ran for 15 min at a rate of 6... (answered by MathLover1)

Miranda trained consistently, so that she can finish a race in 1 hour. During the race,... (answered by ankor@dixie-net.com)