Gia is painting her wall. 1 liter of paint can cover 10 square meters. She has a rectangular wall that measures 4 meters by 5 meters.
How many liters of paint will Gia need to cover her wall

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