1.Out of $550,000.00 given to a school, an amount of $325,000.00 was used. What fraction of the total amount was used? 2. Arrange the following fractions in ascending order: 7/12, 3/5, 7/15, 3/4. 3. Simplify 1/3 (1/2 - 1/3) - 1/3 (1/3 - 1/2)