Answer:
(i) Q=300
(ii) Elasticity of Demand=-3.33 (elastic)
(iii) Income Elasticity= 2.5 (normal good)
(iv) Advertising Elasticity: 1.5
Explanation:
The Demand function is given by

(1) To solve (i) we need to replace P = 200, I = 150, and A = 30 in the demand equation:

(2) To find the price elasticity (how much quantity demanded changes with price) we use the point price elasticity formula

From the above equation we get: 
Replacing in the elasticity formula

in absolute terms the elasticity is bigger than one so it is an elastic demand.
(3) For income elasticity (how much quantity demanded changes with income), we proceed similarly as above. But the derivative is respect to income
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Which is bigger than one, denoting this is a normal good because it's bigger than one.
(4) Advertising elasticity (how much quantity demanded changes with expenditures in advertising), we proceed as before

The answer is 7 players.
If, the amount of red cards that received by either team make the total players of their team less than 7, the opposition team would automatically won the game (and the vicotry would be recorded as 3-0 victory for the team that still had more than 7 players)
Explanation:
It is given that in the market there are four equal-sized firms that produce similar products. The market is saturated such that 10% industry-wide price rise would lead to 18% decline in units sold by all firms in the industry. Going further, there is a proposed legislation that imposes a tariff on a key input used by the industry, which on realization would result in the increase in marginal cost by $2.
This means that the market elasticity of demand is:
[ FIND THE ATTACHMENT FOR SOLUTION]
Supplementary angles equal 180 degrees.
180-113= 67
m<2= 67
I hope this helps!
~cupcake
Answer:
Garth is a "REVOLVER "
Explanation:
Garth is a "Revolver" type of credit user, because he doesn't pay up the monthly payments on his card in full and on time, instead he carries debts over to the other months by paying in monthly installments
Based on the type of credit user Garth is, when picking up a credit card Garth should consider going for credit cards with low interest rate/APR charges and a longer grace period as well.