pls be fast maths questions
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Hi please mark as brainliest.
B weight is40
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a+b+c/3=45
therefore
a+b+c= 135 ...............(1)
also
a+b/2=40
a+b=80 ..............(2)
also
b+c/2=43
b+c=86 ...............(3)
from 1 and 2
80+c=135
c=135-80
c=55 ..................(4)
from 3 and 4
b+55=86
b=86-55
b=31
YOUR ANSWER IS 31
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