Question

The ratio 20 minutes to 1 hour can be written in the form 1:n
find the value of n

Answer 1

`\bf \stackrel{ratio}{20:1}~~=~~\stackrel{ratio}{1:n}\qquad \qquad \implies \cfrac{20}{1}=\cfrac{1}{n}\implies n=\cfrac{1\cdot 1}{20}\implies n=\cfrac{1}{20}`