SOLUTION: Please help me create and linear system and solve for this word problem. 45 high school students and adults were surveyed about their use of the internet. 31 people reported a

Question 938319: Please help me create and linear system and solve for this word problem.
45 high school students and adults were surveyed about their use of the internet. 31 people reported a heavy use of the internet. This was 80% of the high school students and 60% of the adults. How many students and how many adults were in the study?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = number of adults surveyed
Let = number of HS students surveyed
---------------
(1)
(2)
----------------------
(2)
Multiply both sides of (1) by
and subtract (1) from (2)
(2)
(1)
------------------------

and
(1)
(1)
---------------
There were 25 adults and 20 students in the study

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