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In a certain high school, there were $6$ students who were not old enough to vote for every $1$ student who was old enough to vote. If there were $840$ students in the school, how many students were old enough to vote? $\newline$ ◻

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Add, subtract, multiply, or divide two whole numbers: word problems

Full solution

Q. In a certain high school, there were

6

students who were not old enough to vote for every

1

student who was old enough to vote. If there were

840

students in the school, how many students were old enough to vote?

\newline

◻

Find Total Ratio: First, let's find the total ratio of students. Ratio of not old enough to old enough is $6:1$ . Total parts = $6 + 1 = 7$ .
Calculate Students per Part: Next, we find how many students each part represents. Total students = $840$ . Students per part = rac{840}{7} = 120.
Determine Old Enough Students: Now, we find the number of students old enough to vote. Old enough students = $1$ part = $120$ .

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