1. A
   $2.25$
2. B
   $3.5$
3. C
   $4.25$
4. D
   $5.5$

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1. A
   $0.25$
2. B
   $0.5$
3. C
   $0.75$
4. D
   $1.00$

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1. A
   $\frac{1}{8}$
2. B
   $\frac{3}{8}$
3. C
   $\frac{5}{8}$
4. D
   $\frac{7}{8}$

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1. A
   $\frac{1}{4}$
2. B
   $\frac{5}{12}$
3. C
   $\frac{7}{12}$
4. D
   $\frac{11}{12}$

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1. A
   $\frac{1}{3}$
2. B
   $\frac{5}{12}$
3. C
   $\frac{7}{12}$
4. D
   $\frac{3}{4}$

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1. A
   $1 - \frac{3}{5^4 \cdot 5^6}$
2. B
   $1 - \frac{3}{5^4 \cdot 5^7}$
3. C
   $1 - \frac{11}{5^4 \cdot 5^6}$
4. D
   $1 - \frac{11}{5^7}$

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1. A
   $500$
2. B
   $1000$
3. C
   $1500$
4. D
   $2000$

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1. A
   $133.5$
2. B
   $135.5$
3. C
   $137.5$
4. D
   $139.5$

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