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Deanna K.

25 to 45

25 5

------- = -------

45 9

35:10

35 7

-------= ------

10 2

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what other ways can you write

5 to 22

5:22

5

------

22

6:9

6 2

-----= -----

9 3

cat weights 10lbs gets 150cc lactose, how much do u give??

150cc 15cc

----------= --------

10 lbs 1 lb

if someone makes $44 in 4 hrs. How much do they make an hr??

$44

--------- = $11/an hr.

4 hrs

Marci joined a book club that charges $108 for 9 books. What is the cost per book??

$109

----------- = $12 per book

9

??????

-----------

???????

numerator

-----------------

denominator

translate each statement into a proportion.

2 is to 7 as 24 is to 84

2 24

------=-------

7 84

translate each statement into a proportion.

3 is to 8 as 18 is to 48

3 18

-----=--------

8 48

Is this fraction equal?

------=-------

11 99

cross products to see if the fractions are equal.

99×2 =198

11×18=198

yes they r =

Is this fraction equal?

------=-------

11 99

cross products to see if the fractions are equal.

99×2 =198

11×18=198

yes they r =

these fractions are not =

STUDY!!!

Find the value of x in each proportion

x 5

------=------

8 2

2x=8×5

2x=40

-----------

2 2

x=20

1 Oz. 40oz.

----------=----------

170c c

1c=170×40

1c=6,800

----- --------

1 1

c=6,800 calories

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when u divide a fraction what is the first step?

-First step you flip the second fraction and x's.

Ex: of dividing a fraction.

6 3

----- ÷ -----

14 8

6 8 8

------ × --------= -------

14 3 7

Reciprocal

1.) 1 2.) 5

----

3

Switch the problems.

3 5 1

----- ----- switch -----

1 1 5

31 8

----- + -------

a a

= 39

------

a

x 5

----- - ----

7 7

= x-5

------

7

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