Welcome to the Calculator Competition

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Welcome to the Calculator Competition
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• Suppose you found an old roll
• of 15 cent stamps. What combination of 33
  cent stamps and 15 cent stamps can you use to
  mail a package for exactly 1.77?

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Answer 1.
Four 33 stamps and three 15 stamps equals 1.77
in postage.
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2. In any group of six people, what is the
probability that everyone was born in
different months?
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Answer 2.
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• Take two sheets of 8 ½ by 11 inch
  paper. Roll one into a short cylinder and the
  other into a tall cylinder. What is the volume
  of the short cylinder to the nearest hundredth,
  using 3.14 as an approximation for p ?

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Answer 3.
The volume of the shorter cylinder is about 81.89
cubic inches.
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• The sum of 3 consecutive counting numbers is
• one-eighth of their product.
• What is their product?

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Answer 4.
120
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5. Simplify to a reduced fraction
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Answer 5.
33/109
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• What is the value of
• 1 3 5 7 9 . 99?

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Answer 6.
-50
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• The solid shown below
• has a volume of 6 cubic inches.
• What is its surface area?

.
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Answer 7.
24 square inches
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• Calculuate,
• to the nearest hundredth

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Answer 8.
12.76
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• The length of a rectangle is increased by 20
• and its width is increased by 50. What is the
  percent
• Increase in its area?

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Answer 9.
80
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• Don drove at an average speed of 70
• miles per hour (mph) for 30 minutes.
• For the next 20 minutes, Don drove at an
• Average speed of 40 mph. For the next 10
• Minutes Don drove at and average speed of
• 30 mph. What was Dons average speed for
• The whole hour? (round to the nearest mile
• Per hour.)

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Answer 10.
53 mph
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Tie Breaker Questions Good Luck!
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• What proper fraction
• is half-way between 1/6 and ¼ ?

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Answer 11.
5/24
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12. Simplify
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Answer 12.
2
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• How many three digit prime numbers are
  there with the property that the product
• of the three digits is 10?

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Answer 13.
2
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• Roll 3 dice, and multiply the
• Three numbers showing. What is the
• Probability that the product is even?

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Answer 14.
7/8
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15. Evaluate
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Answer 15.
1001
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