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ryzh [129]
3 years ago
10

PLEASE HELP- a crew of highway workers paved 2/15 of a mile 20 minutes. If they work at that same rate how much mile will they p

ave in a hour
Mathematics
2 answers:
Kobotan [32]3 years ago
6 0

Answer:

2/5

Step-by-step explanation:

20 x 3 = 60

2/15 x 3 = 2/5

Sidenote: Hope this helps! :D

iren [92.7K]3 years ago
6 0

Answer:

6/15 miles in an hour.

Step-by-step explanation:

Hi!

I can help here.

So basically lets see what we have :

2/15 a mile in 20 minutes

And we are being asked :

How much will they pave in a hour, in miles.

So we need to take the 2 from the 2/15 since that is how much they have done in 20 minutes.

It is important to note that in a hour there is 60 minutes.

So an easy thing to do is take the 60 and divide it by 20 to find how many 20's go into 60.

60/20

=

3

So we now can take this 3 and the 2 in 2/15 and multiply.

3 x 2

=

6

So now it is

6/15

And that is your answer.

6/15 miles in an hour.

Remember you can simplify,

2/5

I hope this helps!

If you have any questions or are just confused feel free to comment or message me. :)

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The correct option is 1.

Step-by-step explanation:

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5 0
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An investment firm invested in two companies last year. They invested $40,000 in company A and made a profit of 15%. They invest
alexira [117]

Answer:

A) $8200.

B) 16.4%

Step-by-step explanation:

Here is the complete question: An investment firm invested in two companies last year. They invested $40,000 in company A and made a profit of 15%. They invested $10,000 in company B and made a profit of 22%.

A) What is the investment firms total profit?

B) What is the percent profit of the total investment?

Given: Company A invested $40000 and made profit of 15%

           Company B invested $10000 and made profit of 22%

A) First lets find the profit of company A and B.

Company A= \frac{15}{100} \times \$ 40000= \$ 6000.

∴ Profit of company A is $6000.

Company B= \frac{22}{100} \times \$ 10000= \$ 2200

∴ Profit of company B is $2200.

Total profit= profit of company A+ profit of company B

⇒Total\ profit= \$ 6000+\$ 2200

∴ Total Profit= \$ 8200

Hence, the total profit of investment firm is $8200.

B) Now finding the percentage of total profit made by firm.

Total investment by the firm= \$ 40000+\$ 10000= \$ 50000

∴ Total investment done by the firm is $50000.

Percent of profit= \frac{Total\ profit}{Total\ investment} \times 100

⇒ Percent of profit= \frac{8200}{50000} \times 100

⇒ Percent of profit= \frac{82}{5} = 16.4\%

Hence, 16.4% is the percent profit of the total investment.

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