1. 4-3 Solve by Multiplying/Dividing

2. Ex. 1 Multiplying by Positive

3. Ex. 2 Multiplying by a Negative

4. Your Practice

5. Ex. 3 Solve by Dividing

6. Your practice

7. Ex. 4 Story Problems  The student council votes to buy food for a local food bank. A case of 12 jars of spaghetti sauce costs $13.75. What is the greatest number of cases of sauce the student council can buy if they use at most $216 for this project?  Do we care how many jars?  No  How many cases? cc  How much per case?  13.75  How much to spend?  $216

8. Your practice  The science club charges $4.50 per car at their car wash. Write and solve and inequality to find how many cars they have to wash to earn at least $300.  How many cars? cc  How much per car?  4.50  What is goal?  At least $300