D. Because the teachers are what matter in this survey.
Answer:
Step-by-step explanation:
From the problem statement, we can setup the following equations:


where
is the current age of Shobos and
is the current age of his mother.
Substituting the first equation into the second will allow us to solve for
:




Substituting this value into the first equation gives us the age of the mother:



Answer:
3/4
Step-by-step explanation:
there is no y intercept but it is 3/4 when you simplify
Cost of 2 1/2 yards= $15
cost of 1 yard=?
cost of one yard= 15/(2 1/2)
=15/5/2
=15/5*2
=3*2
=$ 6
so the cost of fabric for one yard will be $6