Question 636010
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Hi,
A test consists of multiple choice questions{{{highlight(x)}}} worth 3 points and essay questions{{{highlight(y)}}} worth 5 points.
The test has 17 questions that are worth a total of 65 points.
  3x + 5y = 65       | x+y = 17  0r   y = 17-x
 3x + 5(17-x) = 65
   -2x = -20
     x = 10, number of multiple choice questons,  7 essay questions
and...
 {{{30 + 35 = 65}}}