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.

asked Jun 22, 2022 42.1k views

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

Joao Almeida answered Jun 28, 2022

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