Question

Find the value of 'x' where 3:20=x:35?

Answer 1

$\displaystyle 3:20=x:35 \\ \\ \\ \frac{3}{20}= \frac{x}{35} \\ \\ \\ x= \frac{3\cdot35}{20}= \frac{105}{20}=5.25 \\ \\ \text{Done}$