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Anonymous
129 x 150 = 19,350
19,350 / 2 = 9,675
Average = 9,675
Wiki User
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You must add these together and divide by 2. 129+150 = 279 divided by 2 = 139 1/2.
It is 139.5
% rate:= 129/86 * 100%= 1.5 * 100%= 150%
The average is 72.
Above the Average level
105, 111, 117, 123, 129, 135, 141, and 147
225 because (300+150)/2=225