Art of Problem Solving
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2009 AMC 8 Problems/Problem 2: Difference between revisions

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<math> \textbf{(A)}\ 7\qquad\textbf{(B)}\ 32\qquad\textbf{(C)}\ 35\qquad\textbf{(D)}\ 49\qquad\textbf{(E)}\ 112 </math>
<math> \textbf{(A)}\ 7\qquad\textbf{(B)}\ 32\qquad\textbf{(C)}\ 35\qquad\textbf{(D)}\ 49\qquad\textbf{(E)}\ 112 </math>
==Solution==
This means the ratio is 4:7. If the ratio now is 28:x, then that means $x= \boxed{\textbf{(D) }49}.


==See Also==
==See Also==
{{AMC8 box|year=2009|num-b=1|num-a=3}}
{{AMC8 box|year=2009|num-b=1|num-a=3}}

Revision as of 22:22, 12 November 2012

Problem

On average, for every 4 sports cars sold at the local dealership, 7 sedans are sold. The dealership predicts that it will sell 28 sports cars next month. How many sedans does it expect to sell?

$\textbf{(A)}\ 7\qquad\textbf{(B)}\ 32\qquad\textbf{(C)}\ 35\qquad\textbf{(D)}\ 49\qquad\textbf{(E)}\ 112$

Solution

This means the ratio is 4:7. If the ratio now is 28:x, then that means $x= \boxed{\textbf{(D) }49}.

See Also

2009 AMC 8 (ProblemsAnswer KeyResources)
Preceded by
Problem 1
Followed by
Problem 3
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All AJHSME/AMC 8 Problems and Solutions