Logan R.
asked • 09/15/21Ray had test scores of 75, 82, 94, and 77. What score would he need for a average of at least 85?
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1 Expert Answer
Raymond B. answered • 05/29/23
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5
(2)
Math, microeconomics or criminal justice
75, 82, 94, 77, x
where sum divided by 5 = 85
(75+82+94+77+x)/5 = 85
75+82+94 +77 + x = 5(85) = 425
x= 425-75-82-94-77 = 350-82-94-77= 268-94-77= 174 -77= 97
97 is needed to get an 85 average
-10-3+9-8 =-21+9 = -12
add 12 to 85 = 97
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Blessy T.
He would need a score of 97. 75+82+94+77+97=425/5=85.09/15/21