exam Maths Puzzle Numerical Ability

-6(x+1)+4=16

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In a right triangle, one acute angle is 54degree more than twice the other. Find each acute angle. A bricklayer and an eectrician together 90 hours working on a new house. If the bricklayer earns $12 per hour, the electrician earns $16 per hour, and the wner pays them a total of $1350 for their work, how many hours does each worker spend on the house?