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Mathematics 20 Online
OpenStudy (anonymous):

your math test is worth 111 points and has 32 questions. Each problem is worth 4 or 3 points. how many 3 point questions are on the test?

OpenStudy (anonymous):

To do this you have to set up a system of equations

OpenStudy (anonymous):

So there are two types of questions, lets call them x and y. x is worth 4 points and y is worth 3 points

OpenStudy (anonymous):

T = 3 points F = 4 points 3T+4F = 111 T + F = 32 solve for T and for F.

OpenStudy (anonymous):

Wait, my bad yeah just follow Douglas

OpenStudy (anonymous):

@douglaswinslowcooper Thanks!

OpenStudy (anonymous):

Glad to have helped.

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