On sunday , sheldon bought 4 1/2 kg of plant food. he uses 1 2/3 kg on his strawberry plants and used 1/4 kg for his tomato plants. b. sheldon wants to feed his strawberry plants 2 more times and his tomato plants one more time. he will use the same amounts of plant food as before. how much plant food will be need? does he have enough left to do so. he has 2 7/12 plant food still left.