a test is worth 50 points.multiple choice questions are worth 1 point, and short answer questions are 3 points. If the test has 20 questions, how many multiple choise questions are there?

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asked May 11, 2018 33.4k views

5 votes

a test is worth 50 points.multiple choice questions are worth 1 point, and short answer questions are 3 points. If the test has 20 questions, how many multiple choise questions are there?

Mathematics
high-school

Glorifundel asked

by Glorifundel

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2 Answers

3 votes

x = # of MC, y = # of SA

x + y = 20
x + 3y = 50

Solve the system of equations and you'll have y = 15, x = 5

So 5 MC questions

Mattrick answered May 11, 2018

by Mattrick

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3 votes

is there any options.

Peshraw Hasan answered May 16, 2018

by Peshraw Hasan

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