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ikadub [295]
3 years ago
13

Sweaters already on sale for 30% off the regular price cost $28 when purchased with a promotional coupon that allows an addition

al 20% discount. Find the original price. (hint: when you save 20%, you are paying 80%.)
Mathematics
1 answer:
hoa [83]3 years ago
3 0

The original price was $50.

To find this we need to start with the price you paid ($28). We then use this cost to find the pre-coupon price. Since the coupon affords a 20% discount, that means you pay for 80%. To solve this, simply divide the price you paid by the percentage you paid.

$28/.80 = $35.

Now that we have the pre-coupon price ($35), we can use that to find the original price. Again, we'd want to divide that by the percentage you paid for, which is 70%.

$35/.70 = $50

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-3.1+7-7.4x=1.5x-6(x-3/2)
Ronch [10]

Answer:

1.76

Step-by-step explanation:

3.9-7.4x=-4.5x+9

-2.9x=5.1

x=1.758 or 1.76

I hope this helps, if not i'm sorry.

7 0
3 years ago
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Express in kg: 3470 grams<br>4 kg 8 g​
Airida [17]

Answer:

Step-by-step explanation:

This Makes no sense but this is 4kg and 8g converted to Kg :

4kg - 8g = 4.008 kg

8 0
3 years ago
Marcus is 5 7/24 feet tall Ben is 5 5/16 feet tall which of the two boys is taller? Justify your answer
FromTheMoon [43]
To figure out who is taller, we can take each mixed number and find a common denominator.

5/16 (x3) 15/48
7/24 (x2) 14/48

This tells us that Ben is taller because Marcus is shorter than him by 1/48.
5 0
3 years ago
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Raj's company ships T-shirts in boxes shaped like cubes. The picture below shows the cube
Rzqust [24]

Answer: The surface area of each cube is 24 ft² (24 square feet)

Step-by-step explanation: The boxes according to the question are shaped like cubes, which means the shape we have here has square faces on all sides. Also the boxes have been opened up into nets and this shows each box as having 6 faces.

The area of each face is derived as follows;

Area = L x W

Area = 2 x 2

Area = 4 ft²

Having calculated the surface area of each face, a box or cube with 6 faces will have its surface area as;

Area of box = Face area x 6

Area of box = 4 x 6

Area of box = 24 ft²

Therefore in designing labels for all of the boxes, Raj would need 24 square feet of label for each box.

8 0
2 years ago
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GIVING 100 POINTS!!! Which of these countries has the greatest population density? Which has the least? Provide an explanation a
Mashcka [7]

Answer:

Greatest: Denmark

Least: U.S.

Step-by-step explanation:

The population density is calculated by dividing the population by the area.

U.S.

Population density = 272,648,000/9,364,520 = 29.1

Denmark

Population density = 5,248,000/42,077 = 124.7

Ghana

Population density = 18,339,000/237,533 = 77.2

Greatest: Denmark

Least: U.S.

4 0
1 year ago
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