# Difference between revisions of "2005 AMC 10A Problems/Problem 1"

(→Problem) |
(→Problem) |
||

Line 1: | Line 1: | ||

==Problem== | ==Problem== | ||

− | While eating out, Mike and Joe each tipped their server <math>2</math> dollars. Mike tipped <math>10%</math> of his bill and Joe tipped <math>20%</math> of his bill. What was the difference, in dollars between their bills? | + | While eating out, Mike and Joe each tipped their server <math>2</math> dollars. Mike tipped <math>10\%</math> of his bill and Joe tipped <math>20\%</math> of his bill. What was the difference, in dollars between their bills? |

<math> \mathrm{(A) \ } 2\qquad \mathrm{(B) \ } 4\qquad \mathrm{(C) \ } 5\qquad \mathrm{(D) \ } 10\qquad \mathrm{(E) \ } 20 </math> | <math> \mathrm{(A) \ } 2\qquad \mathrm{(B) \ } 4\qquad \mathrm{(C) \ } 5\qquad \mathrm{(D) \ } 10\qquad \mathrm{(E) \ } 20 </math> |

## Revision as of 19:55, 5 February 2010

## Problem

While eating out, Mike and Joe each tipped their server dollars. Mike tipped of his bill and Joe tipped of his bill. What was the difference, in dollars between their bills?

## Solution

Let be Mike's bill and be Joe's bill.

So the desired difference is