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vredina [299]
3 years ago
5

In 2005 the city agency spent $2000 to buy pencils at a cost of $5 a dozen if the agency used 3/4 of these pencils in 2005 and u

se the same number of pencils in 2006 how many more pencils did it have to buy to have enough pencils for all of 2006?
Mathematics
1 answer:
kenny6666 [7]3 years ago
3 0

Answer:the need to buy 3600 pencils.

Step-by-step explanation:

In 2005 the city agency spent $2000 to buy pencils at a cost of $5 a dozen. This means that the number of dozens of pencil that they bought in 2005 is

2000/5 = 400

There are 12 pencils in a dozen. Therefore, total number of pencils that they bought in 2005 is

400 × 12 = 4800 pencils

if the agency used 3/4 of these pencils in 2005, it means that the number of pencils that they used in 2005 is

3/4 × 4800 = 3600

The number of pencils left is

4800 - 3600 = 1200 pencils

If they use the same number of pencils in 2006, then the number of pencils that they have to buy is

4800 - 1200 = 3600 pencils

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5+ (9.7 - b ) =6.8 what is the value of b
Alex777 [14]

Answer:

b = 7.9

Step-by-step explanation:

5 + (9.7 - b) = 6.8 \\ 5 + 9.7 - b = 6.8 \\ 14.7 - b = 6.8 \\  - b = 6.8 - 14.7 \\  - b =  - 7.9 \\  = b = 7.9

6 0
3 years ago
Plz help. i think the answer is C but i can’t figure out the work
xenn [34]

Here we have x + y - (x - y). Distributing the - sign results in

x + y - x + y Combining like terms results in:

2y

So, C is the correct answer.


5 0
3 years ago
the lenght of an arc in a circle with diameter 10 inches is 1.25π inches. determine the measure of the arc.​
Luda [366]

Answer:

the \:  angle \:  is \:  0.25\pi

Step-by-step explanation:

the arc length is equal to the radius x angle (in radians)

s=ra

s= arc length, r= radius and a= the angle

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4 0
2 years ago
Wang Yong owes the bank
dusya [7]

Given:

Wang Yong owes the bank $8500. He pays back a fixed amount each month. After 12 months, he still has to pay off $6460.

To Find:

The amount of money he pays the bank every month and how long it will take him to pay off the full debt.

Answer:

Wang Yong pays $170 each month, and doing so, it will take him a total time of 50 months to pay off the full debt.

Step-by-step explanation:

Wang Yong has borrows $8500 according to the question.

Say he pays the bank an amount of x every month, which is fixed. After 12 months, he still has to pay $6460.

In 12 months, he would have paid the bank 12x.

But $6460 is still left out of the original $8500.

This means,

8500-12x=6460\\\\12x=8500-6460\\\\12x=2040\\\\x=170

That is, Wang Yong pays the bank $170 every month.

Next, to calculate the amount of time it took Wang Yong to pay back his whole debt, we divide the total sum of money owed to the bank by the amount Wang Yong pays each month.

So, number of months = 8500 ÷ 170 = 50

That is, Wang Yong will pay off his debt 50 months after borrowing the money from the bank, provided he pays back $170 every month.

6 0
3 years ago
When you are factoring a trinomial with a leading coefficient other than 1, which would be the best thing to do first?
Alchen [17]

Answer:


Step-by-step explanation:

 c. Look for a common factor in each term.

4 0
3 years ago
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