Answered

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27 students rode bus 5. If the ratio of elementary students to middle school students is 2:1, how many elementary students rode bus 5?

Sagot :

Take x as the number of middle school students. According to the statement, the ratio of elementary students to middle school students is 2:1, which means that for every x middle school students there are 2x elementary students.

The sum of elementary and middle school students is 27. Which means that the sum of x and 2x is 27:

[tex]\begin{gathered} 2x+x=27 \\ 3x=27 \\ x=\frac{27}{3} \\ x=9 \end{gathered}[/tex]

The number of elementary school students is 2x:

[tex]2x=2(9)=18[/tex]

There are 18 elementary students on the bus 5.

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