Mathematics - Ratios and Proportions - Direct and inverse proportion - More Workers, Less Time?

Scenarios: 'If 2 painters take 6 hours to paint a room, how long would 6 painters take?' Options: 2 hours, 3 hours, 12 hours, 18 hours. 'If 1 pizza feeds 4 people, how many pizzas for 12 people?' More people = more pizza (direct). More painters = less time (inverse). 5 scenarios distinguishing direc