If (a + b) : (b + c) : (c + a) = 3 : 4 : 5 and a + b + c = 17. Find C.
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Answer:
Step-by-step explanation:
Assume the following
a+b = 3x (1)
b+c = 4x
c+a = 5x
Add all three
2*(a+b+c) = 12x
a+b+c = 6x (2)
Subtract (1) from (2)
We get c = 3x
But a+b+c = 17
6x = 17
c = 3x = 17/2 = 8.5
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