Art of Problem Solving
AoPS Online
Math texts, online classes, and more
for students in grades 5-12.
Visit AoPS Online ‚
Books for Grades 5-12 Online Courses
Beast Academy
Engaging math books and online learning
for students ages 6-13.
Visit Beast Academy ‚
Books for Ages 6-13 Beast Academy Online
AoPS Academy
Small live classes for advanced math
and language arts learners in grades 2-12.
Visit AoPS Academy ‚
Find a Physical Campus Visit the Virtual Campus

Difference between revisions of "2007 AMC 8 Problems/Problem 2"

(→‎Solution)
(→‎Solution)
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?

AMC8 2007 2.png

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

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 $\boxed{E}$

Retrieved from "https://artofproblemsolving.com/wiki/index.php?title=2007_AMC_8_Problems/Problem_2&oldid=33527"