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Free_Kalibri [48]
2 years ago
11

Lisa surveyed 60 students at her school and found that 0.85 of the students she surveyed said their favorite class is math. Anot

her 15% of the students she surveyed reported that their favorite class is science. How many more students in the survey prefer math over science?
Mathematics
2 answers:
Brums [2.3K]2 years ago
5 0

Answer:

42

Step-by-step explanation:

Number of students whose favorite class is Math:

60*0.85=51

Number of students whose favorite class is Science:

15% is equal to 0.15.

60*0.15=9

Subtract number of students who like science from number of students who like math.

51-9=42

42 more students in the survey prefer math over science.

lina2011 [118]2 years ago
4 0

Answer:

42

Step-by-step explanation:

85% math

15% science

Subtract

85-15 = 70

The difference is 70 %

70% of 60 students

.70 * 60 = 42

There is a 42 student difference

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Mike's electronics store sold the following number of cellphones on each of the seven days of a week. DayCell Phones Sold Sunday
bulgar [2K]

Answer:

  (c)  10 phones

Step-by-step explanation:

The mean is the sum divided by the number of contributors:

  (12 +10 +9 +5 +14 +10 +10)/7 = 70/7 = 10

The mean number of phones sold for the week was 10 phones.

6 0
2 years ago
Explain how you can compare the cost of two items that are different sizes.
Maru [420]

Answer:

Compare the cost for the each (smallest) unit.

Step-by-step explanation:

You can calculate the cost per unit

For example :

20 ounces of water of brand A cost 1.50

30 ounces of water of brand A cost 2

20 ounces of water cost 1.50/20 = 0.075 dollar per ounce

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4 0
2 years ago
Read 2 more answers
Evaluate 7m+2n-8p/n m=4, n=2, and p=1.5
Firlakuza [10]

Steps to solve:

7m + 2n - 8p/n

~Substitute

7(4) + 2(2) - 8(1.5)/2

~Simplify

28 + 4 - 12/2

~Simplify

28 + 4 - 6

~Add

32

~Subtract

26

Best of Luck!

4 0
3 years ago
On a certain hot​ summer's day, 696 people used the public swimming pool. The daily prices are $1.75 for children and $2.00 for
mart [117]

Answer:

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Step-by-step explanation:

5 0
2 years ago
3. What are the domain and range of (x) = 4* ?<br> Domain: <br><br> Range:
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