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DD Simplify the expression. (45  34) × (34  23) DD

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DD The product of the two rational numbers is  94. If one of the numbers is  32, then find the other. DD

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DD A square occupies 23 of a rectangle. The area of rectangle is 18 in.^{2}. What is the area of the square? DD

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DD Find the product of ( 516 + 416) and ( 658  418). DD

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DD The product of two numbers is  535 . If one of the numbers is  325, then find the other one. DD

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DD By which of the following rational numbers should  3563 be multiplied to get  79? DD

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DD What is the value of y in the equation 19 ÷ y = 13? DD

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DD Find the value of y in the equation (y) ÷ ( 2) =  310. DD

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DD Find the value of y in the equation ( 313) × (y) = 2 . DD

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DD The cost of 3513 meters of a fabric is $ 16713. Find the cost of the fabric per meter. DD

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DD A square occupies 45 of a rectangle. The area of rectangle is 35 in.^{2}. What is the area of the square? DD

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DD Simplify the expression. (34  23) × (45  34) DD

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DD The product of the two rational numbers is  2516. If one of the numbers is  54, then find the other. DD

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DD Find the product of ( 415 + 315) and ( 546  316). DD

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DD The product of two numbers is  835 . If one of the numbers is  525, then find the other one. DD

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DD By which of the following rational numbers should  2549 be multiplied to get  57? DD

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DD What is the value of y in the equation 1535 ÷ y = 35? DD

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DD Find the value of y in the equation (y) ÷ ( 2) =  16. DD

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DD Find the value of y in the equation ( 457) × (y) = 31849. DD

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DD The cost of 3513 meters of a fabric is $ 17713. Find the cost of the fabric per meter. DD

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DD Find the number that makes the number sentence true. 7.0 × 1.7 = ? DD

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DD Find the number that makes the number sentence true. 423 ÷ 11 = ? DD

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DD A train runs at a speed of 600 kilometer in 4 hours. Which operation would you use to find its average speed in kilometer per hour? DD

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DD Ethan wants to buy 30 copies of a book. The cost of each book is $175.50. Which operation would you use to find the total amount he needs to spend on the books? DD

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DD The area of a triangle is 420 m^{2}. If the area of rectangle is 17 of the area of the triangle, then which operation would you use to find the area of the rectangle? DD

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DD 100 grams of spaghetti and meatballs contain 38 grams of proteins, 16 grams of fat, and 42 grams of carbohydrates. Find the fat content in 800 grams of spaghetti and meatballs. DD

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DD Students of a school decided to donate money for a charity. 1000 students contributed $30 each. What was the total amount donated? DD

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