Using proportions, it is found that 15 teachers will need to be hired to maintain the student : teacher ratio.
<h3>What is a proportion?</h3>
A proportion is a fraction of total amount, and the measures are related using a rule of three.
In this problem, the ratio means that 1 teacher is needed for 9 students. How many teachers are needed for 135 students?
The <em>rule of three</em> is:
1 teacher - 9 students
x teachers - 135 students
Applying cross multiplication:
15 teachers will need to be hired to maintain the student : teacher ratio.
To learn more about proportions, you can take a look at brainly.com/question/24372153
Answer:
731 miles
Step-by-step explanation:
344 miles / 8 hours = 43 mph
17 hours * 43 mph = 731 miles
Answer:7
Step-by-step explanation:
Answer:
or
Step-by-step explanation:
Subtract 29 from both sides.
There are no two integers whose sum is -4 and whose product is -38, so the trinomial is not factorable. We can use the quadratic formula.
a = 1; b = -4; c = -38
or
Answer:
Answer is D.
Step-by-step explanation:
I don't know how to really explain it but all i did was just input option A and D.
And 3.5 is the one that came out to 84.
84=4*6*3.5
Sorry i can't explain it but hope this helps!!