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You scored 90, 95 and 87 on three test. Write and solve an Equation to find the score on the fourth test so that your mean test is 90.

You scored 90, 95 and 87 on three test. Write and solve an Equation to find the score on the fourth test so that your mean test is 90.
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You scored 90, 95 and 87 on three test. Write and solve an Equation to find the score on the fourth test so that your mean test is 90.

User John Spurlock
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1 Answer

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90+95+87+z divided by 4 =90 your score on the 4th test is an 88
User Joao Almeida
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