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

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.

• 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.

Solving Mixture Word ProblemsAug. 11th, 2014

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.

Example 1How many ounces of a 30% solution should Jane mix with 40 ounces of a 60% solution to make a 35% solution?

% (in decimals) ounces

Example 2If 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

Example 3An 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)

What does that mean?

Real Word Problems

Example 4If 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?

Example 5If 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?