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Helen [10]
3 years ago
8

Caroline wants to buy a pair of shoes that has an original price of $80.00. She has a coupon for a 40% discount off of the origi

nal price. Her state charges an 8% sales tax on the discounted price. what is the final cost for Caroline's shoes?
Mathematics
1 answer:
nikdorinn [45]3 years ago
5 0
$51.84
First you neeed to figure out how much 40% of 80 is,
It is 38
Next subtract that from 80 to get the discounted price
To figure out how much is sales tax, Find out what 8% of 48 is it is 3.84
Add the to 48 and you have your answer
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Mariulka [41]
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6 0
2 years ago
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Share 264 in the ratio 2:3:1
NikAS [45]

Answer:

88:132:44

Step-by-step explanation:

Divide 264 by 6 (2+3+1) = 44

2*44=88

3*44=132

1*44=44

7 0
3 years ago
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Dan was thinking of a number. Dan adds 10 to it, then doubles it and gets an answer of 56.6. What was the original number
evablogger [386]

Answer:

23.3 is the answer to this question

3 0
3 years ago
On a test with 25 questions grace got 88% correct how many problems did grace get correct
mariarad [96]
88/100 can be simplified. Divide both sides by 4 which turns it into 22/25.
Grace got 22/25 questions correct.
3 0
3 years ago
SAT scores have a mean of 1026 and a standard deviation of 209. ACT scores have a mean of 20.8 and a standard deviation of 4.8.
Y_Kistochka [10]

Answer:

The z-score for SAT exam of junior is much small than his ACT score. This means he performed well in his ACT exam and performed poor in his SAT exam.

Step-by-step explanation:

Mean SAT scores = 1026

Standard Deviation = 209

Mean ACT score = 20.8

Standard Deviation = 4.8

We are given SAT and ACT scores of a student and we have to compare them. We cannot compare them directly so we have to Normalize them i.e. convert them into such a form that we can compare the numbers in a meaningful manner. The best way out is to convert both the values into their equivalent z-scores and then do the comparison. Comparison of equivalent z-scores will tell us which score is higher and which is lower.

The formula to calculate the z-score is:

z=\frac{x-\mu}{\sigma}

Here, μ is the mean and σ is the standard deviation. x is the value we want to convert to z score.

z-score for junior scoring 860 in SAT exam will be:

z=\frac{860-1026}{209}=-7.59

z-score for junior scoring 16 in ACT exam will be:

z=\frac{16-20.8}{4.8}=-1

The z-score for SAT exam of junior is much small than his ACT score. This means he performed well in his ACT exam and performed poor in his SAT exam.

4 0
3 years ago
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