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2005 AMC 12B Problems

Revision as of 20:30, 17 April 2009 by M1sterzer0 (talk | contribs) (→‎Problem 2)

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Problem 1

Two is $10\%$ of $x$ and $20\%$ of $y$. What is $x-y$?

$\mathrm{(A)}\ 1 \qquad \mathrm{(B)}\ 2 \qquad \mathrm{(C)}\ 5 \qquad \mathrm{(D)}\ 10 \qquad \mathrm{(E)}\ 20$

Solution

Problem 2

The equations $2x+7=3$ and $bx-10=-2$ have the same solution for $x$. What is the value of $b$?


Solution

Problem 3

Solution

Problem 4

Solution

Problem 5

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Problem 6

Solution

Problem 7

Solution

Problem 8

Solution

Problem 9

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Problem 10

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Problem 11

Solution

Problem 12

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Problem 13

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Problem 14

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Problem 15

Solution

Problem 16

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Problem 17

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Problem 18

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Problem 19

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Problem 20

Solution

Problem 21

Solution

Problem 22

Solution

Problem 23

Solution

Problem 24

Solution

Problem 25

Solution

See also

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