Question

what are the input variable and the output variable? number of rowers in a rowboat and the speed of the rowboat input: number of rowers in the rowboat; output: the number of rowboats input: speed of the rowboat; output: number of rowers in the rowboat input: number of rowers in the rowboat; output: speed of the rowboat input: number of rowboats; output: speed of the rowboat

Explanation:

The input variable is what we manipulate or change, and the output variable is what is affected by the input. Here, the number of rowers can be changed, and it affects the speed of the rowboat.

Answer:

input: number of rowers in the rowboat; output: speed of the rowboat