Pre Algebra help please?! Need to catch up fast... ?

Any Help on this assignment would be greatly appriciated. . . Thanks!

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1.Solve: .-3/5 * 6/11

2.Solve: 1/4 * 5W/14 .

3.Solve: 2/5 (Devide) 9/11 .

4.Solve: -6/11 (devide) 4/3 .

5.Solve: 3/2 (devide) 8m/4 .

6.During his first month of college Nick realizes he needs to do laundry. He buys a bottle of detergent and discovers each load of laundry requires 1/3 of a cup of soap. If the bottle of detergent contains 6 cups of soap, how many loads can he wash?


7.Nick’s next discovery is he needs to cook his own meals in college. He finds a recipe for spaghetti calling for 2 2/3 cups of tomato sauce. He is having friends visiting so he wants to triple the recipe. How much sauce does he need?


8.Nick discovers that cooking his own food may lead to weight loss. When he went to college he weighed 181 3/4 pounds. He now weighs 3/4 of this weight. What is his weight now?


9.Claire has been in college for a year and knows how to do laundry. She has 1/7 of a bottle of detergent which is enough soap to do 4 loads. How much of the bottle does she use for each load?


10.Claire also likes to cook. She makes 2 1/2 pizzas and shares them with 3 friends. How much pizza does each person get?
 
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