Ava45018
Ava45018
29-12-2017
Mathematics
contestada
Explain how to do this
Respuesta :
choixongdong
choixongdong
29-12-2017
average of 2 numbers is 40
so total = 2 x 40 = 80
300 - 80 = 220
average of remaining 10 numbers = 220/10 = 22
answer
B) 22
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