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Musya8 [376]
3 years ago
15

In Mr. Ferreia's class, 80% of the students live more than half a mile from school. Of those students, 80% come to school by pub

lic transportation. Of the students using public transportation, 75% take the bus, and 75% of those students buy monthly bus passes. Nine students buy monthly passes. How many students are in Mr. Ferreira's class?
Mathematics
2 answers:
romanna [79]3 years ago
7 0

Answer:

25 students

Step-by-step explanation:

Arlecino [84]3 years ago
3 0

Answer:

25 students

Step-by-step explanation:

80% of 80% com by public transportation, it's 64% (0.8 x 0.8)

75% of 64% take the bus, it's 48%  (0.64 x 0.75)

75% of 48% buy monthly passes, it's 36%  (0.75 x 0.48)

0.36x = 9    (nine students buy monthly passes)

x = 25 (students)

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4 0
3 years ago
Sierra and Amy are selling cheesecakes for a school fundraiser. Customers can buy pecan
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Answer:

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Step-by-step explanation:

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4 0
3 years ago
Jordan lives 6 kilometers due south of his parents' house and 4 kilometers west of his grandparents' house. On his birthday, Jor
rusak2 [61]

Answer:

Step-by-step explanation:

The direction of movement of Jordan on his birthday forms a right angle triangle. His movement from his house to his parents due south represents the opposite side of the right angle triangle. His movement due west represents the adjacent side and the movement back home along the straight line, d represents the hypotenuse. To determine d, we would apply the Pythagorean theorem. Thus

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5 0
3 years ago
Can you graph 6=6? infinite solutions
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Step-by-step explanation:

8 0
3 years ago
Craig scored 12 points in a game. Marla scored twice as many points as Craig but 5 fewer than Nelson scored. Write an expression
asambeis [7]
First write what are given from the question
We write "<span>Craig scored 12 points in a game" as
</span>⇒ c = 12 <em>(first equation)</em>
We write "<span>Marla scored twice as many points as Craig but 5 fewer than Nelson scored" as
</span>⇒ m = 2c <em>(second equation)</em>
⇒ m = n - 5 <em>(third equation)</em>
<span>
Second, find the expression for n based on what we write above
</span>From the second and third equation
⇒ m = m
⇒ n - 5 = 2c
Subtitute from the first equation
⇒ n - 5 = 2c
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⇒ n - 5 = 24

This is the expression to find how many nelson scored
n - 5 = 24
<span>
</span>
4 0
3 years ago
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