Question

Mrs.Jacobsen wants to order toy instruments. whistles: 25 items is $21.25, 50 items $36.00,and 80 items $60.00. what is the difference between the highest unit price for whistles and the lowest unit price for whistles? what is the highest unit price per kazoo

Answer 1

21.25:25=0.85$ highest price
36:50=0.72 $ lowest price
80:100=0.8

0.85-0.72=0.13 - difference