A high-speed elevator can rise 480 feet in 3 seconds. Which expression represents the rate, in feet per minute, of the elevator?

1 minute = 60 seconds

60 seconds/ 3 seconds = 20

480 feet x 20 = 9,600 feet

The elevator travels 9,600 feet per minute.

160 feet per minute

Step-by-step explanation: i am 100% sure

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.