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ivann1987 [24]
2 years ago
12

A library wants to buy a new computer that cost $989.99. So far, the library has collected $311. 25 in donations. About how much

more money does the library need to buy the computer?
Mathematics
1 answer:
mel-nik [20]2 years ago
5 0

Answer:

$678.74

Step-by-step explanation:

989.99-311.25 = 678.74

hoped this helped

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Can someone help me solve this?
Dovator [93]

Answer:

5 felt pads.

7 cards.

Step-by-step explanation:

Remark

  • The total number of items is 12
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Equations and Solution

x + y = 12

Now the price is 7.75 that she has to pay for the 12 items. She wants to come back with 0 dollars.

0.5x + 0.75y = 7.75             Multiply this equation by 2

x + 1.5y = 15.50                    write the first equation underneath and subtract.

<u>x +    y =   12</u>

      .5y =  3                          Divide by 0.5

y = 3/0.5

y = 7

So she can get 7 cards.

x + y = 12

x + 7 = 12

x = 12 - 7

x = 5

So she can buy 5 felt pads.

8 0
2 years ago
What is 9713 rounded to the place value
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A cube is dilated by a factor of 2. How many times larger is the volume of the resulting cube than the volume of the original cu
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Answer:

Example:

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Cube with sides: 6. V= 6x6x6=?

How many times bigger is the second answer? That’s it!


Step-by-step explanation:


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