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beks73 [17]
3 years ago
12

I need help!!also the work has to be shown!!

Mathematics
2 answers:
Sloan [31]3 years ago
8 0

The original price was $75.

$75 - 20% = $60.

$60 + 10% = $ 66.

75 - 66 = 9.

9 / 75 × 100 = 12%.

The correct answer is C

Alina [70]3 years ago
6 0
Answer: 12%

It is important to note that the coupon is applied first THEN the fee is applied.


First, we find the percent of the price that will be paid after the coupon is applied when converted to a decimal.
100%-20%= 80%= 0.8

Now, we multiple this decimal by the original price.
75(0.8)= 60

Then, we find the percent of the price that will be paid after the fee is added when converted to a decimal.
100%+10%= 110%= 1.1

Once we found the decimal we multiply it by the price after the coupon is applied.
60(1.1)=66

66 is 88% of 75, the original price or 100%.

Subtract new price from original value.
100%-88%= 12%

If you have any questions feel free to ask. :)
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Answer:

5.5 years old.

Step-by-step explanation:

Let D represent present age of Robert's dog and C represent present age of Karen's cat.

We have been given that Robert's dog is 4 years older than Karen's cat. We can represent this information in an equation as:

D=C+4...(1)

We are also told that in 3 years, the sum of the ages of Robert's dog and Karen's cat will be 13. After 3 years age of dog and cat would be D+3 and C+3 respectively.

We can represent this information in an equation as:

D+3+C+3=13...(2)

From equation (1), we will get:

C=D-4

Upon substituting this value in equation (2), we will get:

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Combine like terms:

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Therefore, Robert's dog is 5.5 years old right now.

3 0
3 years ago
A child weighing 22.5 kg has an IV order for Vancomycin Calculate the q8h per dose dosage if the label states that
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Step-by-step explanation:

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