1. 28. Factorial Notation Rate Prob.notebook November 15, 2012
28. Factorial Notation, Abstract Rate Problems
Evaluate 5!
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2. 28. Factorial Notation Rate Prob.notebook November 15, 2012
Evaluate 9! w/o calculator
3!5!
2

3. 28. Factorial Notation Rate Prob.notebook November 15, 2012
Evaluate 14! w/o calculator
6!11!
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4. 28. Factorial Notation Rate Prob.notebook November 15, 2012
Use the factorial key on a calculator to help evaluate 11 10 9 8
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5. 28. Factorial Notation Rate Prob.notebook November 15, 2012
The train traveled m miles at p miles per hour and still arrived an hour
late. How fast should the train have traveled to have arrived on time?
5

6. 28. Factorial Notation Rate Prob.notebook November 15, 2012
The boat traveled k miles in t hours and was 40 miles short of the goal
when the gun went off. If the skipper tried again, how long would it
take to reach the goal if she increased the rate of travel by 10 mph?
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7. 28. Factorial Notation Rate Prob.notebook November 15, 2012
An alien craft traveled at b meters per second for c meters and was 7 seconds late
for reentry. How fast should the alien craft have traveled in order to make reentry?
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8. 28. Factorial Notation Rate Prob.notebook November 15, 2012
In a test run, a hot air balloon traveled e miles per hour for f hours and was
47 miles short of its destination when a prearranged time ran out. If the
test were to be conducted again, how long would it take to reach the same
destination if the rate of travel were increased by 8 mph?
8