Question

a ratio is... (find the definition in the carnegie learning book and copy word for word.) the answer is a comparison of two quantities

Explanation:

The problem asks for the definition of a ratio from the Carnegie Learning book. The provided text in the box gives the definition as "a comparison of two quantities", which is the standard definition of a ratio in mathematics (specifically in the subfield of Algebra or basic arithmetic within Mathematics, as ratios are fundamental in these areas for comparing quantities).

Answer:

A ratio is a comparison of two quantities