exam Maths Puzzle Numerical Ability

Troy does yard work earning $25 for mowing lawns and $40 the "works", if he earned $370. How many yards did he mow and how many got the "works"?

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exam Other Question

jack has a traingular room that needs carpeting . how much carpeting will he need if the hypotenuse and one of the legs measure 24feet and 30feet respectively. show your work. thank you find the point of intersection for the lines below using the elimination
3x+2y=16
2x-3y=-11