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ANEK [815]
3 years ago
8

PLEASE HELP ASAP ILL GIVE BRAINLY

Mathematics
1 answer:
dybincka [34]3 years ago
8 0

Step-by-step explanation:

x= (70+83+90)/3= 81

85=(89+75+y)/3

255=89+75+y

y=91

92=(86+a+a)/3

276=86+2a

2a=190

a=95

93=(b+b+b)/3

279=3b

b=93

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