Acitrus grower ships grapefruit in boxes 10. one season, the grower shipped 20,400 boxes of grapefruit. how many boxes were shipped?

Isabelle is mixing red and blue paint to make purple paint she adds 3/10 of a fluid ounce of red to 12/25 of a fluid ounce of blue to make 1 1/30 fluid ounces of purple how many fluid ounces of red paint ounces of red paint will she need to make 3 fluid ounces of purple paint