Difference between revisions of "2024 AMC 8 Problems/Problem 7"
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==Problem== | ==Problem== | ||
− | A <math> | + | A <math>3</math>x<math>7</math> rectangle is covered without overlap by 3 shapes of tiles: <math>2</math>x<math>2</math>, <math>1</math>x<math>4</math>, and <math>1</math>x<math>1</math>, shown below. What is the minimum possible number of <math>1</math>x<math>1</math> tiles used? |
− | (A) < | + | (A) <math>1</math> (B) <math>2</math> (C) <math>3</math> (D) <math>4</math> (E) <math>5</math> |
==Solution 1== | ==Solution 1== |
Revision as of 17:11, 25 January 2024
Problem
A x
rectangle is covered without overlap by 3 shapes of tiles:
x
,
x
, and
x
, shown below. What is the minimum possible number of
x
tiles used?
(A) (B)
(C)
(D)
(E)
Solution 1
We can eliminate B, C, and D, because they are not any multiple of
. Finally, we see that there is no way to have A, so the solution is
.