Answer:
$ 159.95
Step-by-step explanation:
139.95 x 19 = 2,659.05 In total the 19 clarinets = $ 2,659.05
$ 4,578.45 - $ 2,659.05 = $ 1919.40 In toal the 12 trumpets are = $ 1,919.40
$ 1,919.40 ÷ 12 = $ 159.95 The trumpets cost $ 159.95 each.
Hope this helps you out : )