Hi t takes 8 minutes for 3 cars to go by in a car wash at the same rare how many will go by in 24 minutes

9

Step-by-step explanation:

First figure out the ratio by doing 3/8, which gives you. 375. Then, since that is per minute, you do. 375 x 24 which gives you 9, since. 375 cars go throug in one minute and it is 24 minutes.