Answer:
0.31
Explanation:
Income elasticity of demand measures the responsiveness of quantity demanded to changes in income
Income elasticity of demand = percentage change in quantity demanded / percentage change in income
Percentage change in income = 
= 2.3
when income was $300, ramen was demanded twice, that is 2/7 times a week. converting to fraction gives 0.29
Percentage change in quantity = 
= 0.72
0.72/2.3 = 0.31
Answer:
The demand for cereal is elastic.
The demand for the magazine is inelastic.
Explanation:
The price elasticity of demand is the degree of responsiveness of quantity demanded to change in price. A negative price elasticity implies that the product is a normal good.
The price elasticity of demand for cereal is −1.03. This means that the demand is price elastic. An elastic demand implies that a change in price will cause more than proportionate change in quantity demanded.
The price elasticity of demand for a particular magazine is −0.72. This means that the demand is price inelastic. An inelastic demand implies that a change in price will cause less than proportionate change in the quantity demanded.
Answer: The correct answer is "all answers correct".
Explanation: The television contains images of lower quality than the films since the films are made individually with the aim of creating an experience of cinematographic entertainment totally different from that offered by television.
<span>The key reason why groups outperform individuals faced with the same task is the following: g</span>roups outperform individuals due to a process in which group members become more accurate during the group interaction.
Correct answer:C
Cooperation, more ideas, brainstorming are reasons that lead to success, and they are all group activities.
