1 1/3 - 3/4 = 4/3 - 3/4 = 16/12 - 9/12 = 7/12 gallons of yellow paint left; 1 1/4 - 3/4 = 5/4 - 3/4 = 2/4 = 1/2 gallons of green paint left; 7/8 - 3/4 = 7/8 - 6/8 = 1/8 gallons of blue paint left;
Mark will have 3 1 gallons of yellow paint, 16 5 gallons of green paint, and 32 7 gallons of blue paint left after painting the mural.
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