The document provides information about an upcoming math lesson and assignments. It includes: 1) An assignment on lesson 45 odds problems is due tomorrow and a test #6 is scheduled for the following Monday. 2) Warm-up problems for lesson 45 include writing fractions as decimals and percents, combining like terms, calculating mgh, and simplifying an expression. 3) Examples to be covered in lesson 45 involve using a ratio box, including a 3rd row for the total, to solve word problems about coins, animal weights, and numbers of buses and cars.

1. Lesson 45.notebook
Assignment:
1­­>Set 45 (odds) ­ Due Tomorrow [11/20]
2­­>Test #6 ­ Monday [11/25]
November 19, 2013

2. Lesson 45.notebook
November 19, 2013
Lesson 45 Warm­Up:
1)
Write 5/6 as a decimal.
2)
Write 5/6 as a percent.
3)
Combine like terms:
x2 + 4x + 4 + 2x2 ­ 3x ­ 4
4)
Find mgh, when m = 3, g = 9.8 and h = 10
5)
Simplify:
(2.5)2 ­ (3/2)2

3. Lesson 45.notebook
Lesson 45
­­FYI...Some ratio problems require us to consider the total
to solve problems. For these type of problems, we add
a 3rd row to our ratio box!
November 19, 2013

4. Lesson 45.notebook
Examples ­ Lesson 45:
Solve.
A) The coin jar was filled with pennies and nickels in the
ratio of 7 to 2. If there were 28 nickels in the jar, how
many coins were there?
November 19, 2013

5. Lesson 45.notebook
B) The ratio of the cat's weight to the rabbit's weight was
7 to 4. Together they weighed 22 pounds. How much
does the rabbit weigh?
November 19, 2013

6. Lesson 45.notebook
C) The ratio of buses to cars was 2 to 11. If 650 vehicles were
there altogether, how many were cars? How many were
buses?
November 19, 2013