Question

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Answer 1

Răspuns:

a+b+c= 1 300

$\frac{a}{2} = \frac{b}{3} = \frac{c}{4} = k$

$a = 2k \\ b = 3k \\ c = 4k$

$9 \times k = 1300 = > k = \frac{1300}{9}$

$a = 2 \times \frac{1300}{9}$

$b = 3 \times \frac{1300}{9}$

$c = 4 \times \frac{1300}{9}$