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Nutka1998 [239]
3 years ago
10

A person-hour is a unit of measure representing one person working for one hour. A construction foreman estimates that it will t

ake 2880 person-hours to build a new library. If 12 workers are scheduled to work on the project at the same time how many hours will it take to complete the project?
Mathematics
1 answer:
aliya0001 [1]3 years ago
6 0
We need 2880 person-hours and we have 12 people.

When we divide the work between them: 2880/12 = 240 hours required to complete.
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Employee x earned $5250 in 3 weeks. at this rate how much will employee x earn in 8 weeks
iVinArrow [24]

Answer:

$14000

Step-by-step explanation:

Given parameters:

Amount earned by employee x  = $5250

Time duration  = 3weeks

Unknown:

Amount earned in 8 weeks = ?

Solution:

Let us first find the rate of employee x earning;

       Rate  = \frac{Amount earned}{Time duration}  

Insert parameters;

      Rate  = \frac{5250}{3}  = $1750/week

So,

  In 8 weeks;

      Amount earned  = rate x time duration

      Amount earned  =  $1750/week x 8weeks

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2 years ago
-4 times a number plus 29
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8 0
3 years ago
What is the quotient of 5 1/2 and 1/8
Stels [109]

Answer:

44

Step-by-step explanation:

5 1/2 / 1/8

turn into improper fraction

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11/2*8/1(have to flip)

88/2(multiply across)

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4 0
3 years ago
What is the solution for x>16
Volgvan

Answer:

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Step-by-step explanation:

7 0
3 years ago
$700 is invested at 4% per annum. How long will it take for the amount to reach $784?​
Blababa [14]

Answer:

3yrs

Step-by-step explanation:

Given parameters:

Capital = $700

Percentage interest  = 4% per annum

Unknown:

Time it will take for amount to be  = $784

Solution:

To find the simple interest on an amount;

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P is the principal

R is the rate

T is the time

I is the interest

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        I  = \frac{700x 4 x T}{100}

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          700+28T = 784

                   28T = 784 - 700

                   28T = 84

                       T = 3yrs

5 0
2 years ago
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