3P2 = 3! / (3-2)! = 3*2*1 / 1 = 6 answer
Its D
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.
She made 14 dollars and hour if that was your question