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anzhelika [568]
2 years ago
6

A lab student measures the mass of a piece of lead to be 13.87 g. She then places the????? help 74-12x=? help!!!!!!!!!!!!!!!!!!!

!!
Mathematics
1 answer:
kipiarov [429]2 years ago
7 0

Answer:

Getting my points back that u took by spamming.

Step-by-step explanation:

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HELPPP Put the steps to solving the equation in the correct order<br> 3 (x + 5) – 6x = -18
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Given that Rolex buys computer disks at a price of 4 for $5 .

That means cost price of 1 disk = 5/4


Given that Rolex sells them at a price of 3 for $5.

That means selling price of 1 disk = 5/3


Profit on 1 disk = selling price - cost price

Profit on 1 disk = \frac{5}{3}-\frac{5}{4}

Profit on 1 disk = \frac{5}{3}\cdot\frac{4}{4}-\frac{5}{4}\cdot\frac{3}{3}

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Profit on 1 disk = \frac{5}{12}

Now we have to find how many disk to be sold to get the profit $100

so we just divide $100 by profit on 1 disk

\frac{100}{\left(\frac{5}{12}\right)} = 100\cdot\frac{12}{5} = 240

Hence final answer is 240 disks.



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scoundrel [369]
Out of 135 adults, 85 were employed

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292 tickets were sold for a basketball game, an adult ticket costs $3. A students ticket costs $1. Tickets sales were $470. How
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