1. You are considering two job offers. The first job pays $13.50 per hour. The second job pays $9.00 per hour plus $0.75 per unit produced per hour. How many units must you produce per hour for the second job to pay more per hour than the first job?
2. You are considering two job offers. The first job pays $13.75 per hour. The second job pays $10.00 per hour plus $1.25 per unit produced per hour. How many units must you produce per hour for the second job to pay more than the first job?
3. What annual interest rates yield a balance of more than $2000 on a 10-year investment of $1000? [A = P(1 + rt)]
4. What annual interest rates yield a balance of more than $750 on a 5-year investment of $500? [A = P(1 + rt)]