manuelguzman9208 manuelguzman9208
  • 03-05-2020
  • Mathematics
contestada

In a class of 30 students, 70% have brown eyes. One-third of the remaining students have green eyes. How many students in the class have green eyes?

a.6
b.3
c.4
d.9

Respuesta :

sensei45 sensei45
  • 03-05-2020

Answer:

The answer of your question is B

Step-by-step explanation:

[tex]30 \: st \: is \: 100\% \\ x \: st \: is \: 70\% \\ x = (30 \times 70) \div 100 = 21 \: st \: have \: brown \: eyes \\ 30 - 21 = 9 \: remaining \\ 9 \times \frac{1}{3} = 3 \: st \: have \: green \: eyes[/tex]

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