Answer:
Step-by-step explanation:jol
Answer:
B
Let total number of students be x.
Ratio of boys to girls= 5:7
=5x:7x
According to question,
5x =95
Or x=95/5
x=19
Now,
Number of girls =7x
=7*19
=133
Answer:
a) $109
b)
c)
Step-by-step explanation:
a) The marginal cost, or the cost per additional unit, is given by the derivate of the cost function:
b) Profit is given by Revenue minus Cost:
c) The marginal profit for 8 units, is given by the difference in profit for 9 units and 8 units: