How to solve these equations 2. Percentage of completed plan = [] divided by [] 3. What percentage of the total revenue is the amount of expenditure = [] divided by [] 4. Qualified rate of product = [] divided by [] * 100% 5. The pass rate of a language test of a class is divided by 100% 6. Flour yield of wheat = [] divided by [] * 100% 7. Salt content of brine = [] divided by [] * 100%

How to solve these equations 2. Percentage of completed plan = [] divided by [] 3. What percentage of the total revenue is the amount of expenditure = [] divided by [] 4. Qualified rate of product = [] divided by [] * 100% 5. The pass rate of a language test of a class is divided by 100% 6. Flour yield of wheat = [] divided by [] * 100% 7. Salt content of brine = [] divided by [] * 100%

1： 80% x = 16, x = 16 * 100 / 80, x =. 3). 130% x = 65, x = 65 * 100 / 130, x =. 41 - (5 / 6) = x / 3, 1 / 6 = x / 3, x = (1 / 6) * 3 =. 2