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3 years ago

A factory uses 15 pounds of steel for every 18 pounds of copper. How much copper will the factory use for 2,700 pounds of steel?

Mathematics

1 answer:

Nostrana [21]3 years ago

3 0

Answer:

3240 pounds of copper would be used

Step-by-step explanation:

$\frac{18}{15}=\frac{x}{2700} \\(2700)*(\frac{18}{15})=x\\3240lbs=x$

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3 years ago

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3 years ago

Mr. Young is offered an investment opportunity. Kyra says she will invest his money at a 6% simple interest rate over the next 7

gregori [183]

Answer:

$126

Step-by-step explanation:

Given that:

Investment is done as per Simple interest.

Principal = $3000

Time for which the investment is to done = 7 years

Rate of interest = 6%

To find:

Interest earned when the investment matures?

Solution:

Formula for Simple Interest :

$Simple\ Interest = \dfrac{PRT}{100}$

Where $P$ is the principal amount

$R$ is the Rate of Interest

$T$ is the time for which the investment is made

Putting the given values:

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Therefore, the answer is:

Interest earned is <em>$126</em>.

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3 years ago

What is the simplified form of<br> (4ab)^2

Alex

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4 years ago

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pantera1 [17]

Answer:

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Step-by-step explanation:

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3 years ago

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