SOLUTION: The ratio of boys to girls among the students who signed up for a basketball competition is 4 : 3. If 3 boys drop out of the competition and 4 girls join, there will be the same nu
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Question 967583: The ratio of boys to girls among the students who signed up for a basketball competition is 4 : 3. If 3 boys drop out of the competition and 4 girls join, there will be the same number of boys and girls. How many students have signed up for the basketball competition?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
(1)
(2)
-------------------
(1)
(1)
Substitute this result into (2)
(2)
(2)
(2)
and
(1)
(1)
(1)
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49 students signed up
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check:
(1)
(1)
(1)
and
(2)
(2)
(2)
OK
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