What’s a ratio?
(Best description)

A ratio is a type of proportion. The two numbers in a ratio are related in one way or the other. The denominator (second number) is usually the number that represents the whole. The numerator (first number) represents the part of the whole that is represented by the ratio.

Here is an example of a ratio:

This ratio can be used for a word problem as well, like this word problem: Sarah is a farm owner. For every 6 cows, she has 12 pigs.

Best of Luck!

the answer is b.)

< 1=< 2