Question

a comparison of two quantities (amounts)
1 ratio
2 proportion
3 rate
4 multiplicative relationship

Explanation:

The term that defines a comparison of two quantities (amounts) is "Ratio". A ratio is specifically used to compare two quantities by showing the relative size of one quantity to another. Proportion refers to an equation stating that two ratios are equal, rate is a ratio with different units, and multiplicative relationship is a broader concept about how quantities relate multiplicatively. So the correct option is the one labeled "Ratio".

Answer:

1. Ratio