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3 years ago

6

Going into the final exam, which will count as two tests, Sharon has test scores of 75, 86,70,61, and 90. What score does Sharon

need on the final in order to have an average score of 80?

1 answer:

Mariulka [41]3 years ago

7 0

Answer:

85

Step-by-step explanation:

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4 years ago

1/3(9x +45) - x = 6x +4

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3 years ago

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3 years ago

a total of 536 tickets were sold for the school play there either adult tickets or student tickets the number of student tickets

Slav-nsk [51]

134 adult tickets were sold.

Step-by-step explanation:

Let,

Adult tickets = x

Student tickets = y

According to given statement;

x + y = 536 Eqn 1

As the number of students tickets are three times more, therefore

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Putting value of y in Eqn 1;

$x+3x=536\\4x=536\\Dividing\ both\ sides\ by\ 4\\\frac{4x}{4}=\frac{536}{4}\\ x=134$

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Keywords: Linear equations, addition.

Learn more about linear equations at:

#LearnwithBrainly

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4 years ago