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----- = -----
b c
i)
a 4
----- = -----
c 9
a = 4k
c = 9k
ii)
(a)(c) = b²
(4k)(9k) = b²
36k² = b²
6k = b
iii)
a + b = 40
4k + 6k = 40
10k = 40
k = 4
iv)
Consecuentes = b y c
b + c = 6k + 9k = 15k = 60