exam Maths Puzzle Numerical Ability

A painting canvas has a length 9 inches longer than its width. If the area is 90in to the second power, what are the lengths of the legs of the field?

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write an equation to solve the problem. the service pool built a pool that was 100ft by 60ft wide. they want to built a sidewalk around the pool and had 450ft of fence. what is the maximum width that the sidewalk can be? A worker charges $30 for a 2 hour job. He charges $94 for a 4 hour job. How much would he charge for an 8 hour job?