. Write an expression to show how much longer the round trip to Las VegasLas Vegas is than the round trip to CheyenneCheyenne. How many terms does the expression have?

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.