Question
The wait time to ride a roller coaster is 20 minutes when 160 people are in line. At this rate, how long is the wait time when 220 people are in line?
Answers
mathhelper
Just use ratios:
time/220 = 20/160
time = 220(20/160) = 27.5 minutes
time/220 = 20/160
time = 220(20/160) = 27.5 minutes
Gootter
220 / 160 = 1.375
20 * 1.375 = 27.5
27.5 minutes
20 * 1.375 = 27.5
27.5 minutes