|
|
| (7 intermediate revisions by 4 users not shown) |
| Line 1: |
Line 1: |
| − | == Problem 1 ==
| + | #redirect [[2011 AMC 12A Problems/Problem 1]] |
| − | A cell phone plan costs <math>$</math>20<math> each month, plus </math>5<math>¢ per text message sent, plus </math>10<math>¢ for each minute used over </math>30<math> hours. In January Michelle sent </math>100<math> text messages and talked for </math>30.5<math> hours. How much did she have to pay?
| |
| − | | |
| − | </math> \textbf{(A)}\ <math> </math>24.00 \qquad\textbf{(B)}\ <math> </math>24.50 \qquad\textbf{(C)}\ <math> </math>25.50\qquad\textbf{(D)}\ <math> </math>28.00\qquad\textbf{(E)}\ <math> </math>30.00 <math>
| |
| − | | |
| − | == Solution ==
| |
| − | </math>30.5-30 = .5<math> hours which is </math>30<math> minutes. </math>30*10=300<math> cents which is </math>3<math> dollars. </math>100*.05=5<math> dollars. So finally </math>20+3+5=28<math> dollars. </math>\longrightarrow \boxed{\textbf{D}}$
| |
| − | | |
| − | == See Also ==
| |
| − | {{AMC10 box|year=2011|ab=A|before=First Question|num-a=2}}
| |
