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?

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(52780) (Show Source): You can put this solution on YOUR website!
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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.

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