| Problem |
1) In which equation does X have the greater value?
a) X + 21⁄2 = 51⁄4 or
b) X - 1.7 = 2.05 or
c) 6 / X = 2.1
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2) Jim has a balanced scale and several metallic coins. He finds that:
2 gold coins = 3 silver coins and 1 copper coin
2 silver coins = 1 copper coin and 1 bronze coin
3 copper coins = 2 bronze coins
How many bronze coins will it take to balance 12 gold coins?
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3) Marcia is saving up to buy a book collection by her favorite author. The book collection costs
$65. Marcia receives a $10 allowance every week, and she spends $8 every other week to see a
movie with her friends. If she doesn't attend a movie on the week that she begins saving for the
book collection, how many weeks will it be before she has saved enough to afford it?
|
4) Mikael is training for a fun run by jogging a five-mile loop around a lake every morning. After
the first mile, he starts to slow his pace at a steadily decreasing rate. He records the following
regarding his progress and time:
What time will he finish his jog?
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5) You are mailing a large envelope that will require $2.30 in postage. Using only stamps valued at
15 and 25 cents, how many ways can you cover the exact postage?
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