On Saturday, Lindsay walked 3 1/2 miles in 1 2/5 hours. What was her walking pace in miles per hour. Write in simplest form.

Question

I really need held on this word problem

Answer 1

distance = rate*time, so distance/time = rate

 

The distance Lindsay walked is 3 ¹/₂ miles.  The time she took is 1 ²/₅ hours:

 

(3 ¹/₂ miles)/(1 ²/₅ hours) = Lindsay's rate (or pace) in mph

 

= (7/2) / (7/5) = (7/2)*(5/7) = 5/2 = 2 ¹/₂ mph

Answer 2

To get her pace in miles per hour, you take the number of miles and divide by the number of hours. 

 

If she walked 3.5 miles in 1.4 hours, then her pace was:

 

3.5 miles / 1.4 hours = 2.5 miles/hour