A counter in Duncan's kitchen is 1 yard wide and 3 yards long. Duncan wants to replace the counter with a granite countertop, which would cost $207.00 per square yard. How much would the granite countertop cost?

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.

The correct answer is -4