Answer:
C
Step-by-step explanation:
Since the 7 swim teachers had about the same amount of students, you can divide 137 by 7, which comes out to about 20.
Answer:

Step-by-step explanation:
Let C represent number of dairy cows.
We have been given that each dairy cow produces 3500 gallons of milk per year. So amount of milk produced by C cows in 1 year would be
gallons.
We are also told that the dairy sells milk for 2.00 per gallon. So yearly income I, in dollars for the dairy milk production would be 2.00 times the yearly milk production.
Since yearly milk production from C cows is
, so Income would be:


Therefore, the formula
represents yearly income (I) as a linear function of C.
Answer:
x=40
Step-by-step explanation:
first you simplify both sides of the equation, then you isolate the variable
40/4= 10
10 times 3/2 = 15