Difference between revisions of "2005 AMC 12B Problems/Problem 1"
(→Solution 2(faster)) |
Dairyqueenxd (talk | contribs) (→Problem) |
||
| Line 4: | Line 4: | ||
<math> | <math> | ||
| − | \ | + | \textbf{(A) }\ 100 \qquad |
| − | \ | + | \textbf{(B) }\ 200 \qquad |
| − | \ | + | \textbf{(C) }\ 300 \qquad |
| − | \ | + | \textbf{(D) }\ 400 \qquad |
| − | \ | + | \textbf{(E) }\ 500 |
</math> | </math> | ||
Revision as of 12:51, 14 December 2021
- The following problem is from both the 2005 AMC 12B #1 and 2005 AMC 10B #1, so both problems redirect to this page.
Problem
A scout troop buys 
candy bars at a price of five for 
dollars. They sell all the candy bars at the price of two for 
dollar. What was their profit, in dollars?
Solution
Note: Revenue is a gain.
Solution 2 (Faster)
Note that the troop buys 
candy bars at a price of 
dollars and sells bars at a price of 
dollars. So the troop gains dollar for every bars. So therefore we divide 
. So our answer is 
.
~HyperVoid
See also
| 2005 AMC 10B (Problems • Answer Key • Resources) | ||
| Preceded by First question |
Followed by Problem 2 | |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | ||
| All AMC 10 Problems and Solutions | ||
| 2005 AMC 12B (Problems • Answer Key • Resources) | |
| Preceded by First question |
Followed by Problem 2 |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | |
| All AMC 12 Problems and Solutions | |
The problems on this page are copyrighted by the Mathematical Association of America's American Mathematics Competitions. 
