Difference between revisions of "2005 AMC 12B Problems/Problem 1"
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== Solution == | == Solution == | ||
| + | <math>2=0.1x \Rightarrow x=20</math>. | ||
| + | |||
| + | <math>2=0.2y \Rightarrow y=10</math>. | ||
| + | |||
| + | <math>\therefore x-y=20-10=\boxed{10}</math>. | ||
== See also == | == See also == | ||
* [[2005 AMC 12B Problems]] | * [[2005 AMC 12B Problems]] | ||
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