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James has 4 test scores of 82, 77, 75 and 84. What score does James need on the next test to

have an average of 80? State what x represents, state the equation, and then state the answer.

User Ghaul
by
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1 Answer

2 votes

Answer:

average = sum of observations/number

80=400/5

Therefore, the sum of the scores has to equal 400.

Explanation:

400-(82+77+75+84)=x

400-(318)=x

x=82

That is the minimum score needed.

User Luiz Lago
by
7.3k points

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