9-5  Rate Factor Model for Multiplication


1.    What is the total bill for buying 6 cokes at $.75 each?  ___________
 

2.    5 yards = ______________inches    (Show your work!)
 
 
 
 
 

3.    20,000 feet = ______________ miles    (Show your work!)
 
 
 
 
 

Do the multiplication below and do not forget your units.

4.     2 feet/sec  ×  3 sec  = __________
 

5.    5 pages/hour  ×  3 hours =  ____________
 

6.    5 days/week  ×  3 weeks/year  × 4 years = ______________
 

7.    If I work 10 hours a day, 5 days a week, and 50 weeks a year,
       how many hours do I work in a year?
                                                                    ___________
 

8.    If my heart beats 65 times a minute, how many times does it beat a day?   _____________
 

9.    An unborn child's heart beats about 140 times a minute.  Assuming a baby in in his mother's
       womb for 270 days, how many times does his heart beat before he is delivered?

                                                                                                                    ______________

10.    If my car gets about 14 miles per gallon, my tank takes about 20 gallons per fill up, and
         I fill up my tank about 24 times a year, how many miles do I drive each year?

                                                                                                                    ______________
 

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