Mathematics, 04.10.2019 19:30 raiindrxp
on his first three tests, ken scored 83,79, and 96. what score must he get on his fourth test to have an average (mean) of
80 for all four tests?
Answers: 3
= 80, that is
= 80 ( multiply both sides by 4 )
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on his first three tests, ken scored 83,79, and 96. what score must he get on his fourth test to hav...
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