1. 1.) x/4 = 27/36 2.) 5/x = 27/30 3.) (x+6)/(x-2) = 2/x 4.) Next Slide
Bellwork 4/6 Solve
1.) x/4 = 27/36
2.) 5/x = 27/30
3.) (x+6)/(x-2) = 2/x
4.) Next Slide

2. 4.) Find the Missing Length
4.) 5/30 = x/120
120 x 30 5

3. Bellwork 4/6 Solve
1.) x/4 = 27/36
36x = 108
x = 3

4. Bellwork 4/6 Solve
2.) 5/x = 27/30
27x = 150
x = 150/27 = 50/9

5. 3.) (x+6)/(x-2) = 2/x x2 + 6x = 2x - 4 x2 + 4x + 4 = 0
Bellwork 4/6 Solve
3.) (x+6)/(x-2) = 2/x
x2 + 6x = 2x - 4
x2 + 4x + 4 = 0
(x + 2)(x + 2) = 0
x = -2

6. Find the Missing Length
5/30 = x/120
30x = 600
x = 20
120 x 30 5

7. To be able to solve PerCent Problems.
Today’s Objective
To be able to solve PerCent Problems.

8. ____ is ____ % of ____ ____ = ____ • .01 • ____ Find the is, %, and of
General Form
____ is ____ % of ____
____ = ____ • .01 • ____ I II
III
Find the is, %, and of

9. What is 30% of 70? ____ is ____ % of ____ ____ = ____ • .01 • ____
3 Types of Problems
Type 1:
What is 30% of 70?
____ is ____ % of ____
____ = ____ • .01 • ____ 30 70 x

10. 135 is what % of 27 ? ____ is ____ % of ____ ____ = ____ • .01 • ____
3 Types of Problems
Type 2:
135 is what % of 27 ?
____ is ____ % of ____
____ = ____ • .01 • ____ 27
135 x

11. 14 is 25 % of what # ? ____ is ____ % of ____ ____ = ____ • .01 • ____
3 Types of Problems
Type 3:
14 is 25 % of what # ?
____ is ____ % of ____
____ = ____ • .01 • ____ 25 14 x

12. 3 Types of % Problems
Notice that the number of the blank that has determines the type of problem….
In other words, when the first blank is , it is a Type I Problem. x x

13. x = .3 • 70 x = 21 What is 30% of 70? ____ = ____ • .01 • ____ Type 1

14. 135 is what % of 27 ? ____ = ____ • .01 • ____ Type 2 135 = .27x

15. 14 is 25 % of what # ? ____ = ____ • .01 • ____ Type 3 14 = .25x

16. Identify Which Type 1.) What # is 23 % of 70? 2.) 13 is what % of 50 ?
4.) 24 is 50% of what # ? 3
5.) 5 is what % of 20 ? 2

17. Write this on your paper
____ is ____ % of ____
____ = ____ • .01 • ____
Find the is, % and of

18. Your Turn
1.) What # is 5% of 200 ?
2.) 24 is 50% of what # ?
3.) 5 is what % of 20 ?

19. Your Turn
1.) What # is 5% of 200 ?
x = 5 • .01 • 200
x = .05 • 200
x = 10

20. Your Turn
2.) 24 is 50% of what # ?
24 = 50 • .01 • x
24 = .5x
24/.5 = .5x/.5
48 = x

21. Your Turn
3.) 5 is what % of 20 ?
5 = x • .01 • 20
5 = .2x
5/.2 = .2x/.2
25 = x

22. Write this on your paper
____ is ____ % of ____
____ = ____ • .01 • ____
Find the is, % and of

23. Classwork
Do worksheet 11.2
Homework page 571 (6-26 even)