The Seventh Unit of Production Took 63

question 114

Short Answer

The seventh unit of production took 63.423 minutes while the ninth unit of production took 59.8 minutes. What is the improvement rate?

---

Definitions:

Siphons

Structures in some aquatic organisms that facilitate the exchange of water or air, often used for feeding, breathing, or locomotion.

Polychaete

A member of the class Polychaeta, these are marine annelid worms characterized by their segmented bodies, many with paired, paddle-like appendages called parapodia for movement and breathing.

Oligochaete

A class of annelids comprising earthworms and related species, characterized by having few setae (bristles) per segment.

Bivalvia

Bivalvia is a class of marine and freshwater mollusks with bodies enclosed by a two-part hinged shell, including clams, oysters, mussels, and scallops.