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3 years ago

15

A test has twenty questions worth 100 points. The test consists of multiple choice questions worth 3 points each and extended re

sponse questions worth 11 points each.
How many multiple choice questions are on the test?

1 answer:

Snezhnost [94]3 years ago

7 0

X+y=20 (3x+3y=60)
3x+11y=100

8y=40
y= 5
X=15

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