Joffrey is signing up for a new Internet service plan that initially costs $49.99 a month. After a 3-month trial period, the com
1 answer:
You might be interested in
Answer:
The total teachers in the school are 50.
Step-by-step explanation:
Given:
In a school math teachers are 30%.
Now, to get the total teachers in school if there are 15 math teachers.
<em>Percentage of math teachers = 30%.</em>
<em>Number of math teachers = 15.</em>
Let the total number of teachers be .
So, according to question:
⇒
⇒
⇒
<em>Dividing both sides by 0.30 we get:</em>
⇒
Therefore, the total teachers in the school are 50.
Answer:
Step-by-step explanation:
For the first one, revenue - cost = profit. We have equations for revenue and profit, so filling in:
Let's add cost to both sides to make it positive and bring everything on the right over to the left and combine like terms:
For the second one:
P(x)*T(x) =
Distribute the 3x into everything inside the parenthesis to get
For the second part of that problem, C(x)*P(x) =
Distribute the x into everything first to get:
The distribute the -4 into everything to get:
Combine the like terms and put everything together to get