Can you help me solve this Math Problem?

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1. A conference room is ¾ full. After 24 participants left the conference room is 3/8 full. Find the seating capacity?

2. 83 1/3 % of a number exceeds 66 2/3 % of the same number by ___ ?

3. Paula has 28 feet of ribbon. She uses 6 1/3 feet for each of the 4 dresses that she sew and decides to make 8 ornaments using equal length of ribbon for each. How many inches of ribbon is used for each ornament. (12 inches – 1 ft)

4. An aluminum bronze consist of copper and aluminum, usually in the ratio of 10:1 by weight. If an object made of this alloy weighs 88kg, how many kilograms of copper does it contain?

5. The sum of 16 2/3 % of a number and 33 1/3 % of the same number is 84. What is the number?

6. Glenly and Luz, working together, can finish binding 1000 books in 4 ½ days. Luz, working alone, can bind the 1000 book in 10 days. How long will it takes Glenly to do the same job working alone?

7. A certain mixture of flour and sugar consists if 12.5 kg of flour and 2.5 kg sugar. What percent of the mixture, by mass, is sugar?
Can you help me solve this Math Problem?
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