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inn [45]
4 years ago
12

Chin Quong purchased 11 binders for $1.37 each, a dozen pens for $0.87 each and a box of copy paper for $27.19 He must pay a sta

te tax of 7.5 percent, the county tax of 0.5 percent, and city tax of 2 percent. How much will he pay in taxes for his purchases?
Mathematics
2 answers:
Yakvenalex [24]4 years ago
7 0

Answer:

$5.27

Step-by-step explanation:

vitfil [10]4 years ago
7 0

Answer:

$5.26.

Step-by-step explanation:

First, find the total cost of his purchase before finding the tax.

11 binders • $1.37 = $15.07

12 pens • $0.87 = $10.44

1 box of copy paper = $27.19

The binders, pens, and copy paper cost a total of $15.07 + $10.44 + $27.19, which is $52.70.

Next, you find how much he pays for each tax by multiplying the total, $52.70, by each tax percentage.

State tax = $52.70 • 0.075 = $3.9525

County tax = $52.70 • 0.005 = $0.2635

City tax = $52.70 • 0.02 = $1.054

Finally, simply add together the tax amounts to find the total paid in taxes. $3.95 + $0.26 + $1.05 = $5.26.

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If the length of a rectangle is increased by 120%, and its width is decreased by 20%, what is the percentage change in the area
velikii [3]

Answer:

The area of the rectangle is increased in 76 percent.

Step-by-step explanation:

The area of a rectangle (A) is represented by the following formula:

A = w\cdot l

Where:

w - Width.

l - Length.

If length is increased by 120 %and width is decreased by 20 %, the percentage change in the area of the rectangle is: (l = 2.2\cdot l_{o}, w = 0.8\cdot w_{o})

A = (2.2\cdot l_{o})\cdot (0.8\cdot w_{o})

A = (2.2)\cdot (0.8)\cdot w_{o}\cdot l_{o}

A = 1.76\cdot A_{o}

The area of the rectangle is increased in 76 percent.

6 0
3 years ago
A takeaway sells 10-inch pizzas and 12-inch pizzas.
N76 [4]

Answer:

532.52

Step-by-step explanation:

P 2(10-inch pizza)=407*3.72-358*0.49=1514.04-175.42=1339.62

P2(12-inch pizza)=169*5.26-142*0.04=888.94-5.68=883.26

P=1339.62+883.26=2222.88

2222.88-1690.36=532.52

5 0
3 years ago
Please help. Do not steal my points or I will report. Find the a, b, and c in this quadratic function. x(x – 2) = 4
bezimeni [28]

Answer:

a = 1, b = - 2, c = - 4

Step-by-step explanation:

x(x - 2) = 4 \\  \\  {x}^{2}  - 2x =4 \\  \\  {x}^{2}  - 2x - 4 =0 \\ equating \: it \: with \:  \\ a {x}^{2}  + bx + c = 0 \\  \\ a = 1 \\ b =  - 2 \\ c =  - 4

6 0
3 years ago
Read 2 more answers
What is the top of the flag pole above ground in inches?
AnnZ [28]

Answer:

13ft 10.2in

Step-by-step explanation:

First let's convert 3ft to in.

3 * 12 = 36 in

Now let's find the angle

We use tangent because we know the opposite and adjacent distances.

tan x = 36/13

tan x = 2.7692

On your calculator, input the value of your tangent. Then press "inv." This should give you the angle associated with that value. The angle associated with tan 2.7692 is 70.14 degrees.

Now that we know the angle we can find the height.

We use tangent again.

tan 70.14 = x / 5     We don't know the opposite but we know the adjacent length is 5ft.

2.77 * 5 = x

13.85 ft = x

To get it in ft and inches multiply .85 by 12

.85 * 12 = 10.2

13ft 10.2in

3 0
3 years ago
3. The length of a featured film is normally distributed with a mean of 105 minutes and a
gtnhenbr [62]
The length begs a bath and the
A
5 0
3 years ago
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