A jar of marbles contains 7 blue marbles, 12 yellow marbles, 8 green marbles, and 5 red marbles. Use this information to answer
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We begin with the <span> Turner Middle School:
Ratio of students to teachers: </span>
Green Middle School:
Ratio of students to teachers:
Let check that we cannot form a proportion:
The two ratios are not equals so we cannot form a proportion.
Let x be the number of <span>teachers that Green have to hire in order to make the two ratios equal. We get the equation:
</span>
<span>The Green school need to hire 9 teachers.
Part-to-whole ratio:
</span>Turner Middle School:
Green Middle School:
Ratio of students to teachers: </span>
Green Middle School:
Ratio of students to teachers:
Let check that we cannot form a proportion:
The two ratios are not equals so we cannot form a proportion.
Let x be the number of <span>teachers that Green have to hire in order to make the two ratios equal. We get the equation:
</span>
<span>The Green school need to hire 9 teachers.
Part-to-whole ratio:
</span>Turner Middle School:
Green Middle School: