The flow of water from a faucet can fill a 4- gallon container in 28 seconds. give the ratio of gallons to seconds as a rate in gallons per second.

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