1. Pick up a Warm Up from the front table and Begin!
August 11th, 2014

2. 1) Which statement is true about the expression
A is a term.
B. 7 is not a term. 
C. is a factor of all the terms.
D. 2 is the exponent of the term 3x.
2) What is the sum of the coefficients of the expression
3) Determine the measure of Angle B in the triangle below.

3. The term 13v represents the cost of 13 vases.
1) Marissa plans to create silk floral arrangements. The expression represents her cost, in dollars, for the arrangements when she buys v vases, f stems of flowers, b stems of wood bark, and m packages of marbles for the bottom of the vases. Which statement is true? A.
The term 13v represents the cost of 13 vases. B.
The coefficient 6 represents the cost of b stems of wood bark. C.
The term 8f represents the cost of f stems of flowers at $8 per stem. D.
The coefficient 3 represents the number of packages of marbles she buys.

4. Solving Mixture Word Problems
Aug. 11th, 2014

5. What is a solution?
A solution is  a mixture of one substance dissolved in another so the properties are the same throughout. 
For our examples we will be mixing different concentrations of solutions in order to obtain a specific concentration that we do not have.

6. Example 1
How many ounces of a 30% solution should Jane mix with 40 ounces of a 60% solution to make a 35% solution?
% (in decimals)
ounces

7. Example 2
If you have 20 ounces of a 50% solution, how much must you add of a 20% solution to make a 45% solution?
% (in decimals)
ounces

8. Example 3
An exterminator has one tank containing a 50% water solution of poison and another tank that contains 30% solution of the same poison, How much of each solution must the worker mix to make 30 liters of a 35% solution?
% (in decimals)

9. What does that mean?

10. Real Word Problems

11. Example 4
If Jim can paint a house in 6 hours and James can paint the same house in 7 hours, how long will it take for them to paint to paint the house together?

12. Example 5
If Jasmine can detail a car in 3 hours and Carlos can detail the same type of car in 5 hours, how long will it take for them to detail the car together?