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1. Marites have to make a bird house. She needs 20 inches of food, She already ½ inches of wood. How many inches does she need to complete the bird house?

2Jean needs to make a cake, she already have 3/4 grams of flour, She needs 2/6 grams of flour, she bought 1/2 more grams. How many more does she need?

3.A swimming pool is open for 8 ½ hours a day, The pool keeps one life guard on duty at a time, and each life guard shift is 1 ½ hours long. How many shifts are there per day?

give solution and answer po, salamat po