Use Gaussian elimination or Gauss Jordan elimination in Exercises a Stamp Purchase Otto spent $22 35 on 44 cent and 17 cent stamps He bought a total of 60 stamps How many of each type did he buy b The Coopers pay their babysitter $8 per hour before 11 P M and $9 50 per hour after 11 P M One evening...

a Familiarize Let x and y represent the number of 44c and 17c stamps purchased respectiv ...

Use Gaussian elimination or Gauss-Jordan elimination in Exercises. a. Stamp Purchase. Otto spent $22.35 on 44¢ and

Question:

Use Gaussian elimination or Gauss-Jordan elimination in Exercises.
a. Stamp Purchase. Otto spent $22.35 on 44¢ and 17¢ stamps. He bought a total of 60 stamps. How many of each type did he buy?

b. The Coopers pay their babysitter $8 per hour before 11 P.M. and $9.50 per hour after 11 P.M. One evening they went out for 6 hr and paid the sitter $50.25. What time did they come home?