Fractions

lisa's dog has 4 squeaky toys. two thirds of the dog's toys are squeaky toys. how many dog toys does lisa's dog have in all?

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1. (2/3)x = 4

x = 4 / (2/3)

x = 4 * (3/2)

x = 12/2 = 6

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2. can you explain it for 3rd grade? don't understand what X is?

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posted by Anne
3. x represents the total number of toys.

The equation means 2/3 of some number is 4.

How did your teacher show you how to solve this kind of problem?

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4. My teacher showed me in a way from like a few weeks ago. I almost don't remember. I
saw from other part of my homework but they were unit fractions. The questions are high level because they are Enrich level. So its kind of hard.

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posted by Anne
5. So then how can i draw it in a picture?

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posted by Anne
6. You could use an equivalent fraction.

2/3 = 4/6

Draw a rectangle with six equal boxes. Color 4 of these boxes.

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7. So then 4/6 is the answer! if it is i guess thnx! Im only 8 so... its hard.

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posted by Anne
8. 4 divided by 2/3

4
_______
2/3

Rewrite so you can see it better. 4 over 1 divided by 2 over 3.

4 2
___ / ____ =
1 3

Take the reciprocal 2/3

4 3 12
___ x _____ = ______ = 6
1 2 2

Check:

2/3 of 6

2 6 12
__ x ___ = ___ = 4
3 1 3

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posted by Chelle

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