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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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