60,000 fans are expected to arrive evenly over 30 minute period It takes security staff member 15 seconds to screen one fan how many security staff are needed to keep pace with the arrival of dance

500

Step-by-step explanation:

we have 60,000 fans that will arrive in 30 min

one security staff needs 15 seconds to screen one person,

one security staff will screen 4 people in one minute

one security staff will be able to screen just 120 people in 30 minutes

(4*30=120)

we have 60,000 people

60,000/120=500

correct choice is b

step-by-step explanation:

when you calculate the average rate of change of a function, you are finding the slope of the secant line between the two points. for the function the average rate of change from point to point can be calculated as

to find the average rate of change from day 2 to day 10, note that at day 2, 8 houses were sold, so a(2,8) and at day 10, 2 houses were sold, so b(10,2). thus,

i would say b) is your answer

sorry if im wrong

step-by-step explanation: