Math
posted by Michelle .
A backpacking team is hiking At an average speed of 2 1/2 miles per hour. At that rate, how long will it take for a hike of 8 3/4 mi?

Let's convert these fractions to decimals.
2 1/2 = 2.5
8 3/4 = 8.75
Set up a proportion. Cross multiply and solve for x.
2.5/1 = 8.75/x