Answer:
a. 2 ornaments per hour
b. 2.5 ornaments per hour
c. 25% increase
Explanation:
In Susan's business, the productivity is given by the amount of ornaments she can produce in one hour.
a. If she produces 16 ornaments in 8 hours, her productivity is:
[tex]P=\frac{16}{8}\\P=2\ per\ hour[/tex]
Productivity is 2 ornaments per hour.
b. If she produces 20 ornaments in 8 hours, her productivity is:
[tex]P=\frac{20}{8}\\P=2.5\ per\ hour[/tex]
Productivity is 2.5 ornaments per hour.
c. The percent change in productivity is given by the change in productivity divided by the original productivity:
[tex]\%C =\frac{P_2-P_1}{P_1}=\frac{2.5-2}{2}\\\%C=0.25=25\%[/tex]
Productivity increased by 25%.