Two are true, one is not

Exercise and reference answers

Questions

1. False statement

   Adding workers raises the worker-days

   Statements

   1. Worker-days measures the job
   2. Adding workers leaves worker-days unchanged
   3. Adding workers raises the worker-days

2. False statement

   Halving the workforce halves the days

   Statements

   1. Halving the workforce halves the days
   2. Halving the workforce doubles the days
   3. Trebling the workforce cuts days to a third

3. False statement

   Both cases are direct relations

   Statements

   1. A fixed job means an inverse relation
   2. Both cases are direct relations
   3. A fixed workforce means a direct relation

Explanation