Jake will spend 180 hours on homework assignments after 30 days and Orlando will spend 120 hours on homework assignments after 30 days hope this helps :) (Jake:2 hours X 30 days = 180hrs) (Orlando:4 hours X 30 days= 120hrs)
If you're saying that the scale is 10 cm: 1 mm then the scale will be larger than the actual object because for every 1 mm of the object it will equal 10 cm of the scale drawing.