What is the length of the bottom base of a trapezoid if the top base is 80 and the median is 100?

The length of the bottom base is 120 since you add 20 each time

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.