Question 7 (10 points) Using the above information and the midpoint method, what's the cross price elasticity between pencils and erasers when the price of erasers change from $0.60 to \$1.40? (Hint: enter your answers in 2 decimals) Your Answer: When her income increases from $10000 to $20000 , as shown in the accompanying table, what's Mary's income elasticity of demand for Uber ride? (Hint: use the midpoint method and enter your answer in 2 decimals) Your Answer: Answer Using the above information and the midpoint method, what's the elasticity of erasers when the price changes from $0.60 to $1.20 ? (Hint: enter your answers in 2 decimals) Your Answer: Answer Suppose the percentage change in price is 35% , and the percentage change in quantity is 54% . What's the price elasticity of demand for apple? (Hint: enter your answer in 2 decimal places) Your Answer: Answer .

1. Question 7 (10 points) Using the above information and the midpoint method, what's the cross
price elasticity between pencils and erasers when the price of erasers change from $0.60 to
$1.40? (Hint: enter your answers in 2 decimals) Your Answer: When her income increases from
$10000 to $20000 , as shown in the accompanying table, what's Mary's income elasticity of
demand for Uber ride? (Hint: use the midpoint method and enter your answer in 2 decimals)
Your Answer: Answer Using the above information and the midpoint method, what's the
elasticity of erasers when the price changes from $0.60 to $1.20 ? (Hint: enter your answers in 2
decimals) Your Answer: Answer Suppose the percentage change in price is 35% , and the
percentage change in quantity is 54% . What's the price elasticity of demand for apple? (Hint:
enter your answer in 2 decimal places) Your Answer: Answer