Aubrey can walk 4 1/2 miles in 1 1/2 hours. find her average speed in miles per hour.

3 miles per hour.

Step-by-step explanation:

Given : Aubrey can walk miles in hours.

We can first convert the mixed fraction into improper fraction.

i.e. Distance =  

Time =

Now, the average speed in miles per hour =

i.e. the average speed in miles per hour =

i.e.  the average speed in miles per hour =

i.e.  the average speed in miles per hour =

Hence, her average speed is 3 miles per hour.

answer: when you burn wood, the carbon reacts with the oxygen in the air to create ash and smoke. that is a permanent change you cannot undo that.

step-by-step explanation: