܀ 35. Your command issued 400 tickets i

Which costs less to buy, a $1000 computer that is discounted 20% and then offered at an additional 10% off, or a $1000 computer

katen-ka-za [31]

A computer discounted at 30% off is less expensive.

First: 1000*.8 = 800
800*.9 = $720

Second: 1000*.7 = $700

6 0

3 years ago

Mark purchased a new stereo that sells for

nekit [7.7K]

120 a month (1250-650 = 600, 600 divided by 5 = 120)

4 0

4 years ago

System of equations<br> 2x+1=5

yawa3891 [41]

x=2 :)

2x+1-1=5-1

2x=4

2/2x=4/2

x=2

if you do the opposite on one side you gotta do it on the other :)))

8 0

3 years ago

Read 2 more answers

A sound system originally priced at $480 is on sale for 20 percent off. The tax on the purchase after the discount id 7.5 percen

daser333 [38]

Answer:

$412.80

Step-by-step explanation:

480 x 0.20(20%)=96

480-96=384

384 x .075(7.5%)=28.8

384+28.80=412.80

7 0

3 years ago

A survey of 163 persons was conducted at TCC, and it was found that 90 persons carried a cell phone, 81 persons carried a tablet

kirza4 [7]

1. The number of people who carried a cell phone or a tablet is <u>128</u>.

2. The probability that a person carries a cell phone or a tablet is <u>78.5%</u>.

3. The number of people who carried neither a cell phone nor a tablet is <u>35</u>.

4. The probability that a person carried neither a cell phone nor a tablet is <u>21.5%</u>.

5. The number of people who carried a cell phone only is <u>43</u>.

6. The probability that a person carried a cell phone only is <u>26.4%</u>.

7. The number of people who carried a tablet but not a cell phone is <u>38</u>.

8. The probability that a person carried a tablet but not a cell phone is <u>23.3%</u>.

<h3>Data and Calculations:</h3>

The sample size of the survey = 163

The number of persons who carried a cell phone = 90

The number of persons who carried a tablet computer = 81

The number of persons who carried both a cell phone and a tablet = 43

1. The number of people who carried a cell phone or a tablet is 128 (90 + 81 - 43).

2. The probability that a person carries a cell phone or a tablet is 78.5%. (128/163).

3. The number of people who carried neither a cell phone nor a tablet is 35 (163 - 128).

4. The probability that a person carried neither a cell phone nor a tablet is 21.5% (35/163).

5. The number of people who carried a cell phone only is 43.

6. The probability that a person carried a cell phone only is 26.4%(43/163).

7. The number of people who carried a tablet but not a cell phone is 38 (81 - 43).

8. The probability that a person carried a tablet but not a cell phone is 23.3% (38/163).

Learn more about probability at brainly.com/question/13604758

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<h3>Question Completion:</h3>

1. How many people carried a cell phone or a tablet?

2. What is the probability that a person carries a cell phone or a tablet?

3. How many people carried neither a cell phone nor a tablet?

4. What is the probability that a person carried neither a cell phone nor a tablet?

5. How many people carried a cell phone only?

6. What is the probability that a person carried a cell phone only?

7. How many people carried a tablet but not a cell phone?

8. What is the probability that a person carried a tablet but not a cell phone?

3 0

2 years ago