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1. |
Determine whether the ratios  and  form a
proportion. Justify your answer. |
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A. |
Yes, their cross products are equal. |
B. |
Yes, they are both percents. |
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C. |
No, they are unit rates. |
D. |
No, their cross products are not equal. |
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Hint |
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2. |
Determine whether the ratios  and  form a
proportion. Justify your answer. |
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A. |
No, they are unit rates. |
B. |
Yes, their cross products are equal. |
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C. |
No, their cross products are not equal. |
D. |
Yes, they are both percents. |
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Hint |
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3. |
About 1 out of every 5 people is left handed. If there are 40 students in a class, how many would you expect to be left handed? |
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A. |
7 |
B. |
9 |
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C. |
6 |
D. |
8 |
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Hint |
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4. |
Solve  . |
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A. |
x = 35 |
B. |
x = 28 |
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C. |
x = 7 |
D. |
x = 14 |
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Hint |
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5. |
A restaurant claims that two slices of their Grande Pizza will serve 1 person. According to this claim, how many people would be served by 36 slices of Grande Pizza? |
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A. |
20 people |
B. |
36 people |
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C. |
18 people |
D. |
15 people |
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Hint |
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