Question

The ratio a : b = 2: 3 and the ratio a: c=3: 4. What is the ratio b : c?

Answer 1

Ответ:

ответ: 9:8

Пошаговое объяснение:

$\frac{a}{b} = \frac{2}{3} \: \: \: \: \: \: \: \: \: \: b = \frac{3a}{2} \\ \frac{a}{c} = \frac{3}{4} \: \: \: \: \: \: \: \: \: \: \: \: \: c = \frac{4a}{3} \\ \frac{b}{c} = \frac{ \frac{3a}{2} }{ \frac{4a}{3} } = \frac{9}{8}$

Answer 2

everything is on the photo)))))