Difference between revisions of "2004 AMC 12A Problems/Problem 2"
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==Solution== | ==Solution== | ||
− | + | She gets <math>8*2.5=20</math> points for the problems she didn't answer. She must get <math>\left\lceil \frac{100-20}{6} \right\rceil =14 \Rightarrow \text {(C)}</math> problems right to score at least 100. | |
− | She gets <math>8*2.5=20</math> points for the problems she didn't answer. She must get <math>\lceil \frac{100-20}{6} \rceil =14 \Rightarrow \text {(C)}</math> problems right to score at least 100. | ||
==See Also== | ==See Also== | ||
+ | {{AMC12 box|year=2004|ab=A|num-b=1|num-a=3}} | ||
− | |||
[[Category:Introductory Algebra Problems]] | [[Category:Introductory Algebra Problems]] |
Revision as of 02:41, 23 April 2008
Problem
On the AMC 12, each correct answer is worth points, each incorrect answer is worth
points, and each problem left unanswered is worth
points. If Charlyn leaves
of the
problems unanswered, how many of the remaining problems must she answer correctly in order to score at least
?
Solution
She gets points for the problems she didn't answer. She must get
problems right to score at least 100.
See Also
2004 AMC 12A (Problems • Answer Key • Resources) | |
Preceded by Problem 1 |
Followed by Problem 3 |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | |
All AMC 12 Problems and Solutions |