Jack is selling used computers. He is paid $15/h plus a 5% commission on sales. What dollar amount of computer sales must Jack make to earn $1000 in a 40-h work week?

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

Janice determined there were 10 possible outcomes when tossing two coins and spinning a spinner numbered 1 through 6. what is the correct number? what might have been janice's error?

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.