you hire a crew of window washers at $15 per person, per hour to maintain the outside of your skyscraper. if…

you hire a crew of window washers at $15 per person, per hour to maintain the outside of your skyscraper. if it takes 5 hours for the crew of 12 washers complete the job, what is the total cost for their services? $?

you hire a crew of window washers at $15 per person, per hour to maintain the outside of your skyscraper. if it takes 5 hours for the crew of 12 washers complete the job, what is the total cost for their services? $?

Answer

Explanation:

Step1: Calculate cost per person for 5 - hour job

$15\times5 = 75$ (dollars per person for 5 - hour job)

Step2: Calculate total cost for 12 - person crew

$75\times12=900$ (total cost for 12 - person crew)

Answer:

$900$