SOLUTION: A school copier can print 5 copies of a test per minute and 8 copies of a quiz per minute. If I make 167 copies in 25 minutes, how many of each did I copy?

Question 851773: A school copier can print 5 copies of a test per minute and 8 copies of a quiz per minute. If I make 167 copies in 25 minutes, how many of each did I copy?

Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the number of minutes that tests were copied
Let = the number of minutes that quizzes were copied
-------------------
(1)
(2)
---------------------
Multiply both sides of (2) by
and subtract (2) from (1)
(1)
(2)

and, since
(2)
(2)
(2)
You copied 11 tests and 14 quizzes
check:
(1)
(1)
(1)
OK

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