Answer:
75(5r)+75(3d)+75(4f)
Solution,
Cost of roses in 1 bouquet=5r
Cost of daisies in 1 bouquet=3d
cost of green filler in 1 bouquet=4f
Total no. of bouquet=75
cost of one bouquet=5r+3d+4f
total=75(5r+3d+4f)
=75(5r)+75(3d)+75(4f)
hope it helps
Good luck on your assignment