What is the difference between a ratio and a rate?
1) A ratio compares two numbers, while a rate is a special type of ratio with a denominator of 1.
2) A ratio compares two numbers, while a rate compares two quantities with different units.
3) A ratio is a special type of rate with a denominator of 1, while a rate compares two quantities with different units.
4) A ratio is a special type of rate with a denominator of 1, while a rate compares two numbers.
