Question

Emily roller skates 35 km in 3 1/2 hours what is her average speed in kilometers per hour

Answer 1

Answer:

The answer is 10km per hour

:) Good Luck

Answer 2

Answer:

10 km/hr

Step-by-step explanation:

We use ratios (x symbolizes the answer we are looking for)

km : hrs

35 : 3.5

x   :   1

which means

(35/3.5)=x

35/(7/2)

(35 multiplied by 2)/7

which  is equal to 10