You are working at a car wash. You earn $15 for going to work. In addition, 10 poi you earn $3 for each car that you wash. If you made a total of $135 how
many cars did you wash? *
50 cars
40 cars
45 cars
O None of the above

1. the following set of data represents the number of waiting times in minutes from a random sample of 30 customers waiting for service at a department store. 4 5 7 10 11 11 12 12 13 15 15 17 17 17 17 17 18 20 20 21 22 22 23 24 25 27 27 31 31 32 a. determine the number of classes and class interval.

The equation respenting the left table is

Pls! does anybody know a shortcut for answering these types of questions in the future?