Algebra 6-2 Rates

1.    At 1:00 p.m. I left Savannah. I arrived in Chattanooga, Tennessee at 8:00 p.m.
       The total distance between the two cities is 450 miles.  I used 36 gallons of gas
       making the trip and spent $42.00 on food.
        a.)  What was my rate in miles per gallon?  ________________

        b.)  What was my rate in miles per hour? _________________

        c.)  What was my rate in money spent on food per hour? _____________

        d.)  What was my rate in gallons per hour?  ____________________

        e.)  What was my rate in money spent on food per mile? _____________
 

2.    If I start at 4 feet below the water and swim down to 20 feet below the water
       in 4 seconds, what is my rate of descent?
                                                                            _______________

3.    Which can 0 not be in:  the denominator or the numerator?  _____________

4.    If I eat s slices of pizza in m minutes, what is my pizza eating rate? _________

5.    I ran 1/4 of a mile in a 1/6 of an hour.
       What is my rate in m.p.h.? __________

6.    In 1/3 of a day, I read 340 pages.
       What is my reading rate per hour?  ___________________

7.    In m minutes, I run y miles. At this rate, how far can I run in an hour? ______

8.    What value can the n not have in the expressions below?

        a.)   5n/(n+8)        __________

        b.)   4/(n-2)        _________

        c.)   3/(4n-2)       _________

        d.)   (4 + n)/(3n + 2)    __________