Pre Algebra Final Review

At the end of the first round of a game show, Jillian has a score of -40 points,   

        and Marty had a score of 50 points.  Find the difference between their two

        scores.

What is the value of ⎪–9⎥ + 9?

Solve: -14 + 10 + (–14)

An archaeologist descends 22 feet into a canyon, then climbs up 15 feet. What is his final position?

Kenzie is using ribbon to decorate a page in her scrapbook.  She needs $$3\frac{2}{5}$$  inches to decorate one picture and $$2\frac{4}{7}$$   inches to decorate a second picture.  How much ribbon does she need for her scrapbook page?

What is the decimal equivalent of $$-\frac{12}{25}$$ ?

A fox can run at a speed of 42 miles in 6 hours. What is the unit rate?     

Josiah traveled 79.5 miles on 3 gallons of gasoline. How many gallons of gasoline would he need to travel 265 miles?