SOLUTION: At East Carolina University the ratio of males to females is 5:4. If there are 45,000 total students, how many of them are males?
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Question 1023899: At East Carolina University the ratio of males to females is 5:4. If there are 45,000 total students, how many of them are males? Answer by ikleyn(52779) (Show Source):
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At East Carolina University the ratio of males to females is 5:4. If there are 45,000 total students, how many of them are males?
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Your system of equations is
= , (1)
m + f = 45000. (2)
From (1), m = .
Substitute it into (2). You will get
= , or
= .
Hence, f = = 5000*4 = 20000 femails.
Then m = 25000 males.
