SOLUTION: If (a/b)=(c/d)= k , b,d ≠ 0 , prove that (a+c)/(b+d) = k

Question 1207019: If (a/b)=(c/d)= k , b,d ≠ 0 , prove that (a+c)/(b+d) = k
Found 2 solutions by mccravyedwin, math_tutor2020:
Answer by mccravyedwin(407) (Show Source): You can put this solution on YOUR website!

(a/b)=(c/d)= k , b,d ≠ 0 , prove that (a+c)/(b+d) = k Edwin

Answer by math_tutor2020(3817) (Show Source): You can put this solution on YOUR website!

a/b = k
a = bk

c/d = k
c = dk

a+c = bk+dk
a+c = (b+d)k
(a+c)/(b+d) = k

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