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3 votes
3 votes
A project requires $40$ hours from each of three employees to complete. Each employee is paid
$Rs.25$ per hour. If the company hires a contractor for  $Rs.10$  per hour, and the four divide the total amount of work equally,
how much would is cost to complete the audit?
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2 Answers

3 votes
3 votes
Initially, there are $3$ employees. & The project requires $40$ hrs. from each of $3$ employees to complete it.

So, the project requires a total of $40 \times 3\hspace{0.1cm} hr = 120\hspace{0.1cm} hrs$

then, the company hires a contractor.

Now, Total employees$ = 3 + 1 =4$

The total amount of work equally divides among the $4$ employees.

So, each employee has to work for $\dfrac{120}{4} = 30 \hspace{0.1cm}hrs$

Now, except the contractor, each employee is paid for $Rs.\hspace{0.1cm} 25/hr$.

So, except the contractor $3$ employees get a total of $90\times 25 = 2250\hspace{0.1cm} Rs$.

Now, the contractor gets a total of $30\times 10=300\hspace{0.1cm} Rs.$

$\color{green}{\text{To complete the project the company requires}}$  $\color{orange}{2250 + 300} = \color{red}{2550\hspace{0.1cm} rs.}$
edited by
1 votes
1 votes

Total time taken = 40*3 = 120 hrs

Total employee = 4

Each employee works 120/4 = 30 hrs

3 employees work  = 30*3 = 90 hrs

amount paid = 90*25 = 2250 ( Each employee is paid 25 per hour )

1 employee works = 30 hrs

amount paid = 30 * 10 = 300 ( contractor for 10 per hour )

total cost to complete the audit = 2250 + 300 = 2550

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