# guess and check

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there are 42 question on lindas test. sum of the questions are 2 point and sum were 3 points. she got a perfect score

• guess and check -

Let the number of 2 point questions be x
then the number of 3 point questions is 42-x

2x + 3(42-x) = 100

solve

(Igot x=26)

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