Art of Problem Solving
During AMC 10A/12A testing, the AoPS Wiki is in read-only mode and no edits can be made.

2007 AMC 8 Problems/Problem 2: Difference between revisions

Aplus95 (talk | contribs)
Aplus95 (talk | contribs)
Line 10: Line 10:
== Solution ==
== Solution ==


The answer is <math>\frac{number of students who preferred spaghetti}{number of students who preferred manicotti}</math>
The answer is (number of students who preferred spaghetti)/(number of students who preferred manicotti)


So,
So,

Revision as of 14:47, 15 February 2010

Problem

$650$ students were surveyed about their pasta preferences. The choices were lasagna, manicotti, ravioli and spaghetti. The results of the survey are displayed in the bar graph. What is the ratio of the number of students who preferred spaghetti to the number of students who preferred manicotti?

Error creating thumbnail: Unable to save thumbnail to destination

$\mathrm{(A)} \frac{2}{5} \qquad \mathrm{(B)} \frac{1}{2} \qquad \mathrm{(C)} \frac{5}{4} \qquad \mathrm{(D)} \frac{5}{3} \qquad \mathrm{(E)} \frac{5}{2}$

Solution

Solution

The answer is (number of students who preferred spaghetti)/(number of students who preferred manicotti)

So,

$\frac{250}{100}$

Simplify,

$\frac{5}{2}$

The answer is $\boxed{E}$