1. CHAPTER 7 REVIEW SOLVING SYSTEMS OF EQUATIONS AND INEQUALITIES

2. 1. WHAT WOULD BE THE EASIEST METHOD TO SOLVE THIS SYSTEM? WHY? Now solve it

3. 2. WHAT WOULD BE THE EASIEST METHOD TO SOLVE THIS SYSTEM? WHY? Now solve it

4. 3. WHAT WOULD BE THE EASIEST METHOD TO SOLVE THIS SYSTEM? WHY? Now solve it

5. 4. AMANDA HAS 37 COINS IN QUARTERS AND DIMES TOTALING $6.55. HOW MANY OF EACH DOES SHE HAVE? WRITE A SYSTEM OF EQUATIONS AND SOLVE.

6. 5. JOE’S PRIVATE JET FLIES TO HAWAII AT A RATE OF 555 MPH WITH THE WIND, ON THE WAY HOME HE FLIES 475 MPH AGAINST THE WIND. WRITE AND SOLVE A SYSTEM OF EQUATIONS TO FIND THE SPEED OF THE JET IN STILL AIR, AND THE WIND SPEED.

7. 6. SODA A HAS 12% SUGAR PER OUNCE AND SODA B HAS 17% SUGAR PER OUNCE. DANIEL MIXES THE TWO SODAS TO CREATE A 32 OZ. SODA MIX WITH 15% SUGAR PER OUNCE. HOW MUCH OF EACH SODA DID HE USE?

10. 9. Write the system of inequalities represented by the graph.

11. 10. Write the system of inequalities represented by the graph.

12. 11. Write the system of inequalities represented by the graph.

15. THE SOLUTIONS START ON THE NEXT PAGE.

22. 7.

23. 8.

27. 12.