A pottery studio gives three-hour ceramics classes for $23 an hour. If the studio has collected $2829 for the total of 37 classes, how many three-hour classes and how many four-hour ladies were paid for?

Eliza wants to make $10,000 from her investments. she finds an investment account that earns 4.5% interest. she decides to deposit $2,500 into an account. how much money will be in her account after 14 years?

Solve this problem! extra ! 3025/5.5 = a/90.75

Sade bought 21 1/2 lb. of ground beef. he used 1/4 of the beef to make tacos and 2/3 of the remainder to make quarter-pound burgers. how many burgers did he make?