Determine the appropriate unit of a quantity based on a formula containing that quantity.

Problem

Consider the formula R, equals, start fraction, V, divided by, C, t, end fraction, where
  • R represents rate of infection,
  • V represents the number of viruses in a cell,
  • C represents the number of cells, and
  • t represents time and is represented in hours.
Select an appropriate measurement unit for rate of infection.
Please choose from one of the following options.