During September 2009, the price of coffee rose from $2,450 per pound to $2,600 per pound. If the demand fell from 170 pounds per day to 130 pounds per day, calculate the price elasticity of demand for coffee using the mid-point method.

7. d. 64

8. i. 32

9. c. 125

10. j. none of the above

11. d. 81

12. i. 216

13. e. none of the above

14. g. 240

15. e. none of the above

16. g. 32

17.   e. none of the above

12

step-by-step explanation:

a triangle's   full angle is 180 degrees so 180 - 156 = 24. 24/2=12

correct answer is c. just did it

step-by-step explanation:

he has 140 chickens because he has 10 times more chickens than ducks and he has 14 ducks so 14*10=140