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:
Answer:
Step-by-step explanation:
Answer:
h
Step-by-step explanation:
multiplication and inference
Answer:
1.7 - 1.5 = 1.2
11.2 - 3.1 = 8.1
Step-by-step explanation:
Answer: She would have to burn between 220 and 240 calories per minute to have a calorie burn rate between those of Martin and Paul.
Step-by-step explanation:
Martin:
360 calories / 30 min = 12 calories/min
Paul:
165 calories / 15 min = 11 calories/min
Kara:
Needs to burn between 11 and 12 calories/min, so we'll calculate the range:
11 calories/min x 20 min = 220 calories (minimum # calories she can burn)
12 calories/min x 20 min = 240 calories (maximum # calories she can burn)