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lakkis [162]
1 year ago
6

One crew can seal a parking lot in 12 hours and another in 16 hours. How long will it take to seal the parking lot if the two cr

ews work together?
Mathematics
1 answer:
Maru [420]1 year ago
5 0

The estimated time it takes both teams to seal a parking lot would be 14 hours.

<h3>How to calculate the time that both groups take?</h3>

To calculate the time that both groups take to seal the parking lot, we must take into account the hours that each group takes and perform the following operation:

  • 12 hours + 16 hours = 28 hours
  • 28 hours ÷ 2 groups = 14 hours

Based on the above, it can be inferred that if both groups work together they can complete this task in an average of 14 hours.

Learn more about time in: brainly.com/question/21674285

#SPJ1

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Students sold books to the local library as a part of a school drive. paper books were brought for $1.45 each. The library spent
nalin [4]

Answer:

213 books

Step-by-step explanation:

Paper books = $1.45 each

$ 1.45 = 1 paper book

$ 1 = 1/1.45 paper book

$98.6 = 98.6/1.45 paper books

$ 98.6 = 68 paper books

Hardback books = $ 2.25 each

$2.25 = 1 Hardbook

$1 = 1/2.25 hardbook

$ 328.10 = 328.10/2.25 hardbooks

$ 328.10 = 145.822 hard books

Number of books cannot be a decimal number, so the value has to be estimated to a nearer whole number.

$ 328.10 = 145 hard books

Total number of books bought = (145 + 68)books= 213 books (Answer)

4 0
2 years ago
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Dmitrij [34]

Answer:

$5.00

Step-by-step explanation:

Since the eyeliner went up and doubled in price, you simply multiply 2.50 by 2, and you get $5.00

4 0
2 years ago
Write the inequality. A number n is negative.
hoa [83]

Answer:

  n < 0

Step-by-step explanation:

A negative number is one that is less than zero.

  n < 0

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3 years ago
What is the area of the triangle in the coordinate plane?​
dem82 [27]

Answer:

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Which expression is equivalent to<br> 2x2+2x-4.<br> 2x2 - 4x + 2
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check the pic

Step-by-step explanation:

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