Question

5:x::10:20so find x​

Answer 1

Step-by-step explanation:

$5:x::10:20 \\ \rightarrow \: \frac{5}{x} = \frac{10}{20} \\ \rightarrow10x = 20 \times 5 = 100 \\ \rightarrow \: x = \frac{100}{10} = 10$