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]

Answer Link

Otras preguntas

What do you mean by corrosion? How can you prevent it?
Consider the following system of equations. y = 2x - 2 y - 2x = 5 What can you conclude about the system of equations? The system of equations is inconsistent.
Solve the system of equations.3x+3y+6z=33x+2y+6z=74x+4y+7z=4
2(n-3)=4n+1 this sucks not knowing the answer
Which statement is NOT true?A.  If two coplanar lines do not intersect, then the lines are parallel.B. Two lines lie in one plane and do not intersect if and on
Consider the following system of equations. y = 2x - 2 y - 2x = 5 What can you conclude about the system of equations? The system of equations is inconsistent.
2(n-3)=4n+1 this sucks not knowing the answer
Round 13 513 to the nearest thousand
Any number that is divisible by 3 is also divisible by 9.Find a counterexample to show that the conjecture is false.18274548
Kim estimates that the faucet in her kitchen drips at a rate for 1 drop every 2 seconds. Erik wants to klnow how many times the faucet drips in a week.