Answer:
7.4
Step-by-step explanation:
88, 85, 90, 75, 99, 100, 77, 76, 92, 82 added together equals 864
864/10 = 86.4
88, 85, 90, 75, 99, 100, 77, 76, 92, 82 all separately subtracted from 86.4 then added together is 74
74/10 =7.4
Answer:
7.4 is your answer
Step-by-step explanation:
Can I please have Brainliest pretty please. :]