SOLUTION: she walk 3 miles in 45 min what was her avrege rate in min per miles?in miles per hour?

Question 215394: she walk 3 miles in 45 min what was her avrege rate in min per miles?in miles per hour?
Answer by drj(1380) (Show Source): You can put this solution on YOUR website!
She walk 3 miles in 45 min what was her average rate in min per miles? in miles per hour?

Step 1. speed = distance/time

Step 2. Given, 1 hour = 60 minutes then 45 minutes* 1 hour/60 minutes = 0.75 hour

Step 3. Speed or average rate = 3 miles/(0.75 hour)=12/3 mph= 4 mph

Step 4. ANSWER: The average rate is 4 miles per hour.

I hope the above steps and explanation were helpful.

For Step-By-Step videos on Introduction to Algebra, please visit http://www.FreedomUniversity.TV/courses/IntroAlgebra and for Trigonmetry please visit http://www.FreedomUniversity.TV/courses/Trignometry.

Also, good luck in your studies and contact me at john@e-liteworks.com for your future math needs.

Respectfully,
Dr J
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