Density = m/v
3.86kg=3860g
d= 3860/200
= 19.3g/cm^3
therefore it is gold.
1,388.26-200.86=1,187.40
If she makes 79.16 you need to multiply until you get more or exactly to 1,187.40
I’m order to succeed this amount she must work (15 WEEKS) to save enough money.
The marginal revenue of selling the eighth unit is $-4.
A monopolist is the only producer in the industry. A monopolist operates in a monopoly. The monopolist sets the market price of their products.
Marginal revenue is the change in total revenue when quantity sold increases by one unit.
Marginal revenue = change in total revenue / change in quantity sold
change in total revenue = ($3 x 8) - ($4 x 7) = $-4
change in quantity sold = 8 - 7 = 1
Marginal revenue = $-4 / 1 = $4
A similar question was answered here: brainly.com/question/15566669
