If (a+b):(b+c):(c+a)=6:7:8 and (a+b+c) = 42, then the value of c-b is:
A) 0
D) 18
C) 8
D) 18
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1
Answer:
q
Step-by-step explanation:
c means 8, b means 7 then we should substract the 8-7= 1
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