rs128006
Answered

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youve taken three tests and scored a 94.5%, a 87.4%, and a 85.1%. what will you have to score on your fourth test to average at least a 90%?

Sagot :

Answer:

you would need a 93.5% grade to get an average of 90%

Step-by-step explanation:

You add up all the numbers then dived by amount of numbers added. so when you do (94.5%+87.4%+85.1%)/3 you get 89% so I kept doing numbers in the 90's to see what number I would need and once i added up 94.5%+87.4%+85.1%+93.5% you would then divide by 4 and get .901. That would end up being a 90.1% grade

lmno2ndacc

Answer:

you will have to score 93% on your fourth test

Step-by-step explanation:

94.5+87.4+85.1+93=360

360/4=90

hope this helped.

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