Difference between revisions of "2000 AMC 12 Problems/Problem 3"
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== Problem == | == Problem == | ||
| − | Each day, Jenny ate <math>20%</math> of the jellybeans that were in her jar at the beginning of that day. At the end of the second day, <math>32</math> remained. How many jellybeans were in the jar originally? | + | Each day, Jenny ate <math>20\%</math> of the jellybeans that were in her jar at the beginning of that day. At the end of the second day, <math>32</math> remained. How many jellybeans were in the jar originally? |
<math> \mathrm{(A) \ 40 } \qquad \mathrm{(B) \ 50 } \qquad \mathrm{(C) \ 55 } \qquad \mathrm{(D) \ 60 } \qquad \mathrm{(E) \ 75 } </math> | <math> \mathrm{(A) \ 40 } \qquad \mathrm{(B) \ 50 } \qquad \mathrm{(C) \ 55 } \qquad \mathrm{(D) \ 60 } \qquad \mathrm{(E) \ 75 } </math> | ||
Revision as of 13:21, 17 October 2007
Problem
Each day, Jenny ate 
of the jellybeans that were in her jar at the beginning of that day. At the end of the second day, 
remained. How many jellybeans were in the jar originally?
Solution
Since Jenny eats of her jelly beans per day, 
of her jelly beans remain after one day.
Let 
be the number of jelly beans in the jar originally.
