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Sheet # 10/Halloween - Vampire School

Name: _____________________ Date_____________


Explain and Show Your Work.

One vampire does exist. That vampire must suck one person's blood each week to survive. Once a person is bitten by a vampire, he or she becomes a vampire. How many weeks will it take to turn a class of 30 students into a class of 30 vampires? To turn a school of 500 students into a school of 500 vampires?
















































Answers for sheet # 10

It will take 5 five weeks to make a class of 30 vampires.

Week
# Students
# of Vampires Students + Vampires
0 30 1 31
1 29 2 31
2 27 4 31
3 23 8 31
4 15 16 31
5 0 31 31