A)For a certain commodity the demand equation is given by D=-3p+20. At the price of $1, four units of the commodity are supplied.If the supply equation is linear and the market price is $4, find the supply equation.

Question

B) how many litres of a 70% alcohol solution must be added to 50 litres of a 40 % alcohol solution to produce a 50% alcohol solution??

Answer 1

3. For a certain commodity the demand equation is given by D=-3p+20.At a price of $1, four units of the commodity are supplied. If the supply equation is linear and the market price is $6, find the supply equation