exam Maths Puzzle Numerical Ability

How many 9-inch-square floor tiles are needed to cover a rectangular floor that measures 12 feet by 15 feet?

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1.The minimum daily values(MDVs) for certain foods are given. They are based on a 2,000 calorie per day diet. Find decimal and fractional notation for the percent The volume of the box is represented by (x^2+5x+6)(x+5). Find the polynomial that represents the area of the bottom of the box.