Question

Решите пропорцию:
2,4:х=6:4,5???
решили? х= 1,8

Answer 1

$frac{2.4}{x} = frac{6}{4.5} \ frac{12}{5x} = frac{4}{3} \ 36 = 20x \ x = 36 div 20 \ x = frac{9}{5} = 1.8$