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Inessa05 [86]
4 years ago
10

There will be 45 adults going to a museum. There will be twice as many students as adults. Adult tickets cost $25 each. Student

tickets cost $12 each. What is the total cost for the students and adults?

Mathematics
2 answers:
Ann [662]4 years ago
7 0
You multiply 45 by 2 =90 = Students
You multiply 45 by 25 = Cost of Adult Tickets
You Multiply 90 by 12 = Coat of Student Tickets
Add 1125 (Adult) and 1080(Student) = Total Cost
mart [117]4 years ago
3 0
$25 times 45 equals $1125. Twice as many students as adults so, 45x2=90 90x$12= $1080 $1125+1080=$2205
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Step-by-step explanation:

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1 year ago
the lenght of a room is twice its breadth and thrice its height if the cost of carpeting the floor at rs 80 per sq metre is rs 9
noname [10]

Answer:

Let's define the variables:

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A = L*B

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A = (2*B)*B

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Now, we know that the cost of carpeting the floor is $80 per m^2

And the total cost was $9000

Then the number of square meters in the floor (thus, the area of the floor) is:

A = ($9000)/($80)  m^2

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With this, we can find the value of B.

A = 112.5 m^2 = 2*B^2

B = √( 112.5/2) m = 7.5 m

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L = 2*B = 2*7.5m = 15m

And the height is:

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H = L/3 = 15m/3 = 5m

Now that we know all the dimensions of the room, we need to find the area of the four walls, and the area of the ceiling (which is equal to the area of the floor 112.5 m^2)

Now, we will have two walls with an area of:

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And two walls with an area of:

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Then the total area of the four walls plus the ceiling is:

A' = 2*(37.5m^2) + 2*( 75m^2) + 112.5 m^2

A' = 337.5 m^2

And we know that for each m^2, the cost of plastering is $35

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3 years ago
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3 years ago
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<h3>Answer:</h3>

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To find out how much fabric for headbands and would beused for each player/person you would do

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