SOLUTION: a school employs a total of 600 teaching assistants and research assistants. There are three times as many teaching assistants as research assistants. find the number of research a
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Question 550269: a school employs a total of 600 teaching assistants and research assistants. There are three times as many teaching assistants as research assistants. find the number of research assistants employed by the school
Answer by oberobic(2304) (Show Source): You can put this solution on YOUR website!
r = research assistants
t = teaching assistants
r + t = 600
t = 3*r
.
substitute
.
r + 3*r = 600
4*r = 600
r = 150
.
t = 3*r = 3*150 = 450
.
Done.
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