thalia jogged 3/4 of a mile in 1/6 of an hour. At what average speed did Thalia jog

Question

do you have to find a common denominator

Answer 1

No because you divide

 

 

distance = rate x time

 

distance / time = rate

 

3/4 divided by 1/6 =

 

3/4 * 6/1 =

 

18/4 =

 

9/2

 

So 9/2 mph = 4 and 1/2 mph = 4.5 mph