exam Maths Puzzle Numerical Ability

Solve. Graph the solution and leave your answer in interval notation.

| 4 - 3x | - 7 (is greater than or equal to) 12

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exam Other Question

solve and graph

4x-6 less than or equal to -6 and 4x-6 greater than or equal to 10.

I have been trying to solve this problem for the longest and I don't understand how to do Tom, Dick, and Harry weigh 50, 85, and 120 lbs. respectively and use a 12ft. plank for a teeterboard. Tom sits 5 ft., Dick sits 4 ft., and Harry sits 3ft., from the fulcrum on the