SOLUTION: A student sits 4 exams and averages 65% the student need to score very well in the next test to get and average of 70% what score must they get in there next exam.
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Question 879377: A student sits 4 exams and averages 65% the student need to score very well in the next test to get and average of 70% what score must they get in there next exam. Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! A student sits 4 exams and averages 65% the student need to score very well in the next test to get and average of 70% what score must they get in there next exam.
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let x =score he or she must get in the next exam to get an average of 70%
4*65+x/5=70
260+x=350
x=90
score he or she must get in the next exam = 90%
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