At a stop in New York City, 50 people board a subway every 10 minutes. After how long will 250 people have boarded a train at that stop? A. 20 minutes B. 40 minutes C. 50 minutes D. 1 hour

C. 50 minutes

Step-by-step explanation:

each time, 50 people can aboard. to calculate how many times people aboard, divide 250 by 50, equals 5

each time to aboard takes 10 minutes, so multiply 5 by 10 equals 50minutes.

your answer is the last one

step-by-step explanation:

divide the length of a'c' by the length of ac to get a scale factor of two

& then reflect vertically (over the y-axis)

so your answer is dilation by a scale factor of 2 followed by reflection over the y-axis