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inna [77]
2 years ago
11

PTION #3(20pts): The last option is by Plane Cargo. You cannot seem to find rates on their website, but a service representative

was able to tell you that a 100-mile flight will cost $600, and a 250-mile flight will cost $825.
Mathematics
1 answer:
4vir4ik [10]2 years ago
8 0

Answer:

Rate for 100 miles = $ 6 / miles

Rate for 250 miles = $ 3.3 / miles

Step-by-step explanation:

Given that cost for covering 100 miles by flight is $600.

As rate is the cost of covering unit distance (in miles).

So, the rate to cover 100 miles by flight = $ 600/ 100 miles = $ 6 /miles.

Similarly, the cost of covering 250 miles by flight is $825.

So, the rate to cover 250 miles by flight = $ 825/ 250 miles = $ 3.3 /miles.

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3/4 cups

Step-by-step explanation:

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3 years ago
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Ron's recycle shop had an old paper-shredding machine. Business was good, so he bought a new paper-shredding machine. The old ma
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Answer: 1 hour 20 minutes

Step-by-step explanation:

Given : The old machine could shred a truckload of paper in 4 hours.

Rate of work done by old machine = \dfrac{1}{4}

The new machine could shred the same truckload in 2 hours.

Rate of work done by new machine = \dfrac{1}{2}

Let 't' be the time taken by both of them working together , then we have the following equation:-

\dfrac{1}{t}=\dfrac{1}{4}+\dfrac{1}{2}\\\\\Rightarrow\dfrac{1}{t}=\dfrac{1+2}{4}\\\\\Rightarrow\dfrac{1}{t}=\dfrac{3}{4}\\\\\Rightarrow t=\dfrac{4}{3}=1\dfrac{1}{3}\ \text{ hours}

Since 1 hour = 60 minutes

Then, \dfrac{1}{3}\ \text{ hours}=\dfrac{1}{3}\times60=20\text{ minutes}

Hence, it will take 1 hour 20 minutes to shred the same truckload of paper if Ron runs both shredders at the same time.

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3 years ago
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Train revived a raise of $80 per week. If he was making $500 per week before the raise, what is the percent change in his earnin
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Train got a raise of 16%

Step-by-step explanation:

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(New - Old)/Old * 100 = % Change

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80/500 * 100 = % change

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3 years ago
Brandon is making a ramp . The ramp stands 3 feet tall and is 9 feet long . How long is the base of the ramp
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Step-by-step explanation:

We can use the Pythagorean Theorem, A^2 + B^2 = C^2

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Hope this helps!

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