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A math test is worth 100 points and has 30 problems.
Each problem is worth either 3 points or 4 points.
How many 4-point problems are there?

How do i change this into an algebraic expression

Respuesta :

harmonibrooks8

Answer:

I think 15

Step-by-step explanation:

15+15=30, so both 3 or 4 point questions have 15 problems each, hope this helped