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sladkih [1.3K]
3 years ago
7

Vinyl wallpaper is needed to cover 4 walls of a room each wall measures 12 feet By 8 feet and each bolt of wallpaper covers 72 s

quare feet deduct 52 square feet for windows and the door if the wallpaper costs $13.90 per bolts how much will the paper cost
Mathematics
1 answer:
Luden [163]3 years ago
7 0

Answer:

$69.50

Step-by-step explanation:

First you need to know how much wall you're going to cover.

Each wall us 12 ft by 8ft

The area of a rectangle can be computed with the formula:

A = L x W

Using the given:

A = 12ft x 8 ft

  = 96 ft²

This is the area of each wall. Since all 4 walls will be covered, you multiply the area of 1 wall by 4.

96 ft² x 4 = 384 ft²

Next we subtract the area of the windows and the door because we won't be covering that.

384 ft² - 52 ft² = 332 ft²

So the total area we are covering with wall paper is 332 ft².

To get the cost of the wallpaper needed, we just need to compute first how many bolt we will need. Divide the total area to be covered by the area of one bolt of wall paper.

332 ft² ÷ 72 ft²/bolt = 4.61 bolts ≅ 5 bolts

Then we multiply it by the price per bolt:

5 bolts x $13.90/bolt = $69.50

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A wedding planner purchased both small and large lanterns for a wedding reception. The planner purchased a total of 40 lanterns
Olegator [25]

Answer:

The wedding planner must have purchased 28 small lanterns and 12 large lanterns.

Step-by-step explanation:

8 0
2 years ago
Jeffery babysits for 4 dollars per hour, he also works as a math tutor for 7 dollars per hour. He is only allowed to work 13 hou
Oksana_A [137]

Given:

Jeffery babysits for 4 dollars per hour and works as a math tutor for 7 dollars per hour.

He is only allowed to work 13 hours total per week.

He wants to make at least 65 dollars.

To find:

The system of inequalities to represent this situation.

Solution:

Let x be the number of hours he babysits per week and y be the number of hours h works as a math tutor.

He is only allowed to work 13 hours total per week.  It means sum of x and y must be less than or equal to 13.

x+y\leq 13

He wants to make at least 65 dollars. It means total earnings must be greater than or equal to 65.

4x+7y\geq 65

Number of hours can not be negative.

x\geq 0, y\geq 0.

Therefore, the required system of inequalities contains some equations,  x+y\leq 13,4x+7y\geq 65 and x, y\geq 0.

4 0
3 years ago
Sylvia has a total of 16 trading cards: 8 superhero cards, 4 princess cards,2 villain cards, and 2 wildlife cards. what is the r
balu736 [363]
There as 16 cards, 2 of which are wildlife cards, so the ratio is 16 : 2. We can simplify it by dividing both sides by 2, so we'll get the ratio of 8 : 1.

I hope this helps! :)


5 0
3 years ago
Round 552,945 to the place value
Lostsunrise [7]
If rounded to the nearest 100,000th it would be 600,000

if rounded to the nearest 10,000th it would be 550,000

<span>if rounded to the nearest 1,000 it would be 553,945</span>
3 0
3 years ago
Hi! I have a math question. This is a two part problem.
Mumz [18]

Answer:

Blair chosen to purchase shirt from company B. Given:

Each shirt costs 3.10$

Shipping cost is 4% (0.04) of total order.

=>Total cost without shipping: 150 x 3.10 = 465$

=> Total cost with 4% of shipping: 465 + 465 x 0.04 = 483.6$

=> Total cost Blair paid for one shirt: C = 483.6/150 = 3.22$

The markup is 75% of original cost:

=> Blair can multiply the total cost for one shirt by 0.75

Blair will sell shirt with price which is equal to the sum of total cost for one shirt and markup:

=> P = 3.22 + 3.22 x 0.75 = 5.64$

Hope this helps!

:)

5 0
3 years ago
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