Question

Determine whether they are in proportion.
21,49,33,77
Give full explanation

Answer 1

Answer:

Yes they are in proportion

Step-by-step explanation:

=21:49::33:77

$\frac{21}{49} = \frac{33}{77} \\ \\ \frac{3}{7} = \frac{3}{7} \: \: so \: the \: fractions \: are \: equal \: now \: finding \: the \: mutipe \: of \: iterior \: and \: exterior$