carmelalehman carmelalehman

20-09-2018
Mathematics

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harold wants to get at least a grade of 81 in his math class. His grade will be the average of two test scores. He got a 75 in the first test. Let x be his score on the second test.

Respuesta :

20-09-2018

75+x divided by 2 > 81
First multiply both sides by 2

You get 75+x>162

Subtract 75 from both sides.

X= 85. Must get an 85 or above

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