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Nezavi [6.7K]
3 years ago
12

Amanda is making pillows for her sofa, The fabric that she likes costs $45 per yard. Amanda waits until

Mathematics
1 answer:
luda_lava [24]3 years ago
3 0
Well 58 inches is 4 feet, so Amanda has to purchase 2 yards of fabric. So this brings her to $90. If you multiply 90 by 40%, and then subtract that number from 90, you have 54. Multipy 54 by the sales tax and then add that number to 54. So Amanda will have to pay $56.75. Hope this helps, have a nice day :)
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y = 8 and x = 3 is more likely to be understood as a ratio. So for the rest of the answer, their relationship would be represented as y:x

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The problem would be finding y when x = 45

Let us proceed on using the previous equation and substitute x with 45 which would look like this:

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Ratios can also be expressed as fractions which would make things more understandable and easy to solve. So the new form of our equation would be like this:

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Then we proceed with a cross multiplication where the equation becomes like as what is shown below:

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Another way of looking at the problem, especially problems like these, is to take the whole question or statement as an equation. it would probably look like this:

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