sandy wrote:
Riders board the Jelly Coaster in groups of 4 every 15 seconds. If there are 200 people in front of Kurt in line, in approximately how many minutes will Kurt board the Jelly Coaster?
(A) 5
(B) 8
(C) 10
(D) 13
(E) 20
Sandy...let me the below is correct.
4 members for 15 seconds i.e. for 60 sec 16 members will be boarded.
Now for 200 people how many minutes does it take
16 -> 60
200 -> x
=? 60*200 / 16 = 12.5 ~ 13.
D.