Sam scored 43, 48, and 42 points on three tests. How many points should he get on the fourth test to get an average score of 50?

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Sam scored 43, 48, and 42 points on three tests. How many points should he get on the fourth test to get an average score of 50?

Mathematics
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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(43+48+42+x) divided by 4 = 50
multiply each side of the equation by 4
43+48+42+x=200

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Other answers:

then add like terms
133+x=200
then subtract 133 from both sides
i still lost
to get x=67
\[50=43+48+42+x/4\]

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