book Maths Puzzle Numerical Ability

jumping rope can burn 600 calories per hour; write and solve an inequality to find the number of hours of jumping rope that it would take for you to burn at least 450 calories.

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58. Geometry. The length of a rectangle is 2 in. more than twice its width. If the perimeter of the rectangle is 34 in., find the dimensions of the rectangle.

Thank You!!! you have budgeted 450$ for carpeting. if you need 30 square yards of carpeting, how much can you spend per square yard?