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qaws [65]
3 years ago
12

Derek gives a cashier a 20 dollar bill to buy a personal pizza. He is given $8.74 as change. Which equation represents the situa

tion if c is the cost of the pizza?
Mathematics
1 answer:
Allisa [31]3 years ago
8 0

Answer:

$20-$8.74= c (total cost of pizza)

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strojnjashka [21]
Yes because 0.4% put into a decimal is 0.004 and the four in in the thousandths place
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4 0
2 years ago
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Lin took 75 boxes of carrots and 80 boxes of potatoes to the market. She sold 68 boxes of carrots and 71 boxes of potatoes. How
enot [183]

For this case we have:

x: Represents the number of carrot boxes

y: Represents the number of boxes of potatoes

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x = 75\\y = 80

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x = 75-68 = 7

If you sold 71 boxes of potatoes, we have:

y = 80-71 = 9

The number of boxes I take home is given by:x + y = 7 + 9 = 16

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7 boxes of carrots left

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A total of 16 boxes remain

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A company has determined that the number of items it sells varies inversely as the price of the item. If 20,000 items can be sol
mestny [16]
Let N be the number of items sold and p the price. 
Since the variation is inverse, then the relation between N and p is:
N=k\dfrac{1}{p}
For N=20000 and p = $9.5, we get the formula:
 20000=k\dfrac{1}{9.5}\\p=20000\times9.5=190000
If p = 8.75, then the number of items sold can be computed using the formula:
N= 190000\dfrac{1}{8.75}=21714 \text{ total items}
6 0
2 years ago
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