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3 years ago

11

Darryl bought 7 hats. A week later half of all his hats were destroyed in a fire. There are only 24 hats left. How many hats did

he start with?

1 answer:

Nutka1998 [239]3 years ago

4 0

There are 55 hats at the beginning of the fire.

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Describe the structure of an ionic crystal

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3 years ago

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Lana71 [14]

I think boys =18
girls=12
boys :x
girls:y
student:z
the number of group for the boys :n
the numberof group for the girls :m
so x=(3/5)*z
y=(2/5)* z
x/y=3/2
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so n=6
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put x=(1/10)*z*6
y=(1/5)*z*2
into 3y-2x=0 and z=30
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3 years ago

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kondor19780726 [428]

Answer:b is 16

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3 years ago

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sergejj [24]

Answer:

The answer is

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3 years ago

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Answer:

x < −9/2

or

x > 19/2

I hope this helps <333

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