Question

select proportional or not proportional to correctly classify the pair of ratios. proportional not proportional \\(\frac{1.8}{7.2}\\) and \\(\frac{0.4}{1.6}\\)

Explanation:

Step1: Simplify first ratio

$\frac{1.8}{7.2} = \frac{1.8\div1.8}{7.2\div1.8} = \frac{1}{4}$

Step2: Simplify second ratio

$\frac{0.4}{1.6} = \frac{0.4\div0.4}{1.6\div0.4} = \frac{1}{4}$

Step3: Compare simplified ratios

Both ratios equal $\frac{1}{4}$, so they are proportional.

Answer:

Proportional