100+100+100+72+69=441
441/5=88.2
A=88.2
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The average is 86.
86%average:= (72% + 100%)/2= 172%/2= 86%
(100 + 69)/2 = 169/2 = 84 and 1/2 = 84.5 in decimal
84.5%
72 - 69 x 73=4965 you have to do multiplication first because of order of operations then subtract by 72.