6.6 Proprotions And Percents

Chapter 6, Section 6: Proportions and Percents December 11, 2008

Warm Up: ,[object Object],[object Object],[object Object]

Percent  Proportion ,[object Object],0% 0 75% 30 40 100% Part Whole Draw a model of 0 to 40. Then divide the model into 4 sections and color in 3 of the 4 sections. You can also make a proportion. 75/100 = 30/40

Example 1 ,[object Object],0% 0 100% 65% 245: Whole n  part 65/100 = n/245 (Write a proportion) 65(245) = 100n (Cross Product) 65(245)/100 = n (Division Prop. Eq. n = 159.25 159.25 is 65% of 245.

Now, Do It Without Drawing ,[object Object],[object Object],[object Object],31 98.9 10

What Percent of a # is #? ,[object Object],[object Object],[object Object],52/60 = x/100 (remember that percent is fraction with a denominator of 100). (cross product) (simplify) (solve)

Determine Percentage, to 10 th of a Percent ,[object Object],[object Object]

Finding Whole Amounts. ,[object Object],[object Object],[object Object]

Figure This One Out. ,[object Object]

Try These Too ,[object Object],[object Object],25.3 313.1

Word Problem ,[object Object],3,560 Estimated 748 1998 915 1990 ? 1980 Number of Screens Year

One More Drive In Question ,[object Object],2,824 Screens 748 1998 915 1990 ? 1980 Number of Screens Year

Assignment #47 ,[object Object]

6.6 Proprotions And Percents

Recommended

Recommended

More Related Content

Viewers also liked

Viewers also liked (10)

Similar to 6.6 Proprotions And Percents

Similar to 6.6 Proprotions And Percents (20)

More from Jessca Lundin

More from Jessca Lundin (20)

Recently uploaded

Recently uploaded (20)

6.6 Proprotions And Percents