Answer:
3 lightning bugs per minute
Step-by-step explanation:
Unit rates are special ratios that help describe rates of time or price.
Defining Unit Rates
Unit rate is the rate per one quantity. For example, the question tells us the rate at which Alexander caught lightning bugs in 7 minutes. So, the unit rate would be the number of bugs caught in one minute. Unit rates are most commonly used for time and price. Another example of a unit rate is the price of apples per pound. Just as 21:7 is a ratio, unit rates can be written as a ratio.
Finding the Unit Rate
The easiest way to find the unit rate is through division. We want to find the rate per 1 minute. Since the current rate is given per 7 minutes, we need to divide both values by 7.
This means that the unit rate is 3 lightning bugs per 1 minute.
