SOLUTION: An exam worth 100 points contains 30 questions. Multiple choice questions are worth 2 points and short answer questions are worth 4 points. How many of each type of question are on

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Question 912223: An exam worth 100 points contains 30 questions. Multiple choice questions are worth 2 points and short answer questions are worth 4 points. How many of each type of question are on the test?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Hint: solve the system

x+y = 30
2x+4y = 100

x is the number of multiple choice questions
y is the number of short answer questions