Economics Questions from Dec 01,2024

Browse the Economics Q&A Archive for Dec 01,2024, featuring a collection of homework questions and answers from this day. Find detailed solutions to enhance your understanding.

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If QuikTrip decreases the price of 32 -ounce soft drinks in the summer from \( \$ 0.82 \) to \( \$ 0.42 \) and the number purchased increases from 242 to 775 , what would the price elasticity of demand equal? (absolute value) Round your answer to two decimal places. Find the consumers' surplus and the producers' surplus at the equilibrium level for the given price-demand and price-supply equations. Include a graph that identifies the consumers' surplus and the producers' surplus. Round all values to the nearest integer. \( \mathrm{p}=\mathrm{D}(\mathrm{x})=36-0.05 \mathrm{x} ; \mathrm{p}=\mathrm{S}(\mathrm{x})=10+0.08 \mathrm{x} \) The value of x at equilibrium is (Simplify your answer.) The value of p at equilibrium is \( \$ \square \). (Simplify your answer.) The consumers' surplus at equilibrium is \( \$ \square \). (Simplify your answer.) : The producers' surplus at equilibrium is \( \$ \square \). (Simplify your answer.) Which of these graphs has the correct shaded regions for the consumers' surplus (CS) and the producers' surplus (PS)? A. 1. Modelos matemáticos nas eleiçőes 1. Sabendo que, ao fim de 15 anos, num regime de capitalização de juros simples, com uma taxa de juro anual de 1,6\%, o capital acumulado era de \( 13640 € \), determina o capital inicial investido. 2. O Octávio recebeu uma herança de \( 50000 € \) e resolveu depositá-los numa conta a prazo, num regime de juros compostos, sujeita a uma taxa de juro anual de \( 2,3 \% \), durante 10 anos. Determina o capital acumulado ao fim dos 10 anos, se as capitalizações forem: 652.1 anuais; 652.2 mensais. Adam invests \( \$ 6,139 \) in a retirement account with a fixed annual interest rate compounded continuously. After 17 years, the balance reaches \( \$ 8,624.97 \). What is the interest rate of the account? 2. (Adaptada UEPA) Um carro cujo preço à vista é R \( \$ 48.000,00 \), pode ser adquirido pagando uma entrada e o restante em 5 parcelas seguindo uma progressão geométrica decrescente. Você decide optar por pagar pelas prestações e foi informado que a segunda parcela é de \( \mathrm{R} \$ 4.000,00 \) e a quarta parcela é de \( \mathrm{R} \$ 1.000,00 \). Quanto será pago de entrada? A business manager is planning to buy new laptops for the team. Each laptop costs \( \$ 800 \), and the manager plans to buy laptops for 15 team members. If the company secures a \( 10 \% \) bulk purchase discount, what is the total cost for the laptops? \( \$ 10,800 \) \( \$ 12,000 \) \( \$ 13,500 \) \( \$ 14,400 \) A retail store purchased 300 chairs at a cost of \( \$ 45 \) each. If the store sold all the chairs at a price of \( \$ 60 \) each, what was the total profit made from the chairs? \( 0 \$ 3,000 \) \( 0 \$ 4,500 \) 0 \( \$ 15,000 \) \( \$ 18,000 \) A manufacturer wishes to calculate the average cost to produce 8,500 widgets. \( \begin{array}{l}\text { A) Cost of materials }=\$ 3,500 \\ \text { B) Cost of labour }=\$ 700 \\ \text { C) Quantity }=8,500 \\ \text { Which formula should she use to determine the average cost of each widget? } \\ \text { O Average cost }=A+B+C \\ \text { Average cost }=(A+B) / C \\ \text { O Average cost }=(C+B) / A \\ \text { - Average cost }=A / C+B\end{array} \) Adam invests 10,000 in an investment certificate (GIC) that pays 2 percent, compounded annually. How much money will he have earned from interest after three years, rounded to the nearest dollar? \( \$ 467 \) \( \$ 612 \) \( \$ 1,836 \) \( \$ 2,231 \) Elliot borrows \( \$ 3,000 \) from a bank that is charging three percent simple interest per year. If he pays the loan back in six months, how much interest wi he pay? \( \$ 30.00 \) \( \$ 45.00 \) \( \$ 90.00 \) \( \$ 300.00 \)
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