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1. |
Determine the sum of an arithmetic series where n = 45, a1 = 14.3, and an = 80.3. |
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A. |
3627.8 |
B. |
4257 |
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C. |
2128.5 |
D. |
3613.5 |
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Hint |
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2. |
What is Sn if a1 = 27.5, d = 1.5, and n = 35? |
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A. |
2152.5 |
B. |
1855 |
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C. |
1245 |
D. |
98,175 |
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Hint |
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3. |
Find the first three terms of the arithmetic series in which a1 = 6,
an = 201, and Sn = 4140. |
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A. |
6, 11, 16 |
B. |
5, 10, 15 |
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C. |
6, 46, 86 |
D. |
6, 5, 40 |
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Hint |
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4. |
Chavez needs to buy gasoline every week for a year (52 weeks). The first week he spends $10.00. If the amount he spends increases by $0.10 every week, how much will he spend on gasoline this year? |
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A. |
$652.60 |
B. |
$667.80 |
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C. |
$657.80 |
D. |
$572 |
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Hint |
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5. |
Evaluate  |
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A. |
372 |
B. |
434 |
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C. |
377 |
D. |
403 |
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Hint |
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