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3 years ago

Help meeee if you want to please thank you have a good day!

Mathematics

2 answers:

Minchanka [31]3 years ago

7 0

The answer is 2.7

I’m not an expert at this but i did some research so I hope I can help

It’s 2.7 because the formula for calculating density is to divide the mass by the volume and in you do that for each of them you get 2.7 every time

astra-53 [7]3 years ago

6 0

Answer: 2.7
10.8 / 4 = 2.7
18.9 / 7 = 2.7 and so on...

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Answer:

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Step-by-step explanation:

Step 1:

Given; A 9-yard roll of string that costs $3.42.

Required; To find the unit price

Step 2:

Convert $3.42 to cents

$1 ~dollar=100~cents ~\\therefore,\\$3.42=3.42~x~100=342~cents~$

Step 3:

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$\frac{9 yard}{1 yard} =\frac{342 ~cents}{x~cents}$

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