Quentin buys 12 tickets for a group of adults and children for a total of $100. Adult tickets are $10 each and child tickets are $5 each. How many of each ticket did Quentin buy?

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.

If you have the following equation, 2/3x+5/6-x=2-3/4x what would you multiply each term by to get rid of all the fractions

(60 points) explain this in detail