Difference between revisions of "2024 AMC 8 Problems/Problem 21"
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==Problem== | ==Problem== | ||
| + | A group of frogs (called an army) is living in a tree. A frog turns green when in the shade and turns yellow | ||
| + | when in the sun. Initially, the ratio of green to yellow frogs was <math>3 : 1</math>. Then <math>3</math> green frogs moved to the | ||
| + | sunny side and <math>5</math> yellow frogs moved to the shady side. Now the ratio is <math>4 : 1</math>. What is the difference | ||
| + | between the number of green frogs and the number of yellow frogs now? | ||
| + | |||
| + | <math>\textbf{(A) } 10\qquad\textbf{(B) } 12\qquad\textbf{(C) } 16\qquad\textbf{(D) } 20\qquad\textbf{(E) } 24</math> | ||
| + | |||
==Solution 1== | ==Solution 1== | ||
Revision as of 13:04, 25 January 2024
Problem
A group of frogs (called an army) is living in a tree. A frog turns green when in the shade and turns yellow
when in the sun. Initially, the ratio of green to yellow frogs was 
. Then 
green frogs moved to the
sunny side and 
yellow frogs moved to the shady side. Now the ratio is 
. What is the difference
between the number of green frogs and the number of yellow frogs now?
