exam Maths Puzzle Numerical Ability

Five tables and eight chairs cost $115; three tables and five chairs cost $70. Determine the cost of each table and each chair.

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exam Other Question

A cubic support unit in a television is made with a side measuring 2.5 centimeters. A new model being designed for the upcoming year will have a larger cube with a side measuring 2.8 centimeters. By how much will the volume of the cube be increased? graph the function from 0 to 2π. Y=-sin3(θ-π)+1