# math

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Paul has grades of 73 and 86 on his first two tests. What must he score on his third test in order to have an average of at least 70?

• math -

Mean = sum of scores/number of scores

70 = (73+86+x)/3

Solve for x.

• math -

53

• math -

I mean 51.

• math -

-125

• math -

69

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