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Doss [256]
3 years ago
5

What are the steps and the answer

Mathematics
1 answer:
aleksley [76]3 years ago
8 0
Olivia's price would be determined by 5x-2.50, because she bought 5 greeting cards and got 2.50 off. 
Alexandra's price would be determined by 4x-1, because she bought 4 cards and got 1.00 off. Since they both paid the same, you set the two equations equal to each other
5x-2.50=4x-1, subtract 4x to the other side so now you have
x-2.50=-1, add 2.50 to the other side so now you have 
x=1.50
The price of each card is 1.50
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Answer:

The first one: 13.125 ft³

The second one: 67.5 ft³

Step-by-step explanation:

For the first one:

The volume of a prism is length x width x height.

So, in this shape, the length is 3 1/2, the width is 2 1/2, and the height is 1 1/2.

However, you can conver 1/2 to .5, to make it easier to multiply.

So, 3.5 x 2.5 x 1.5 = 13.125

Make sure to add ft³, the ft is the unit, feet, and the ³ is used to denote volume, because volume is 3  dimensional.

For the second one, same formula:

Length = 6, width = 2 1/2, and height = 4 1/2

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3 years ago
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Answer:

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