exam Maths Puzzle Numerical Ability

65. Solve the system of equations.
1.5x � 7y = 2
0.625x + 3y = �2.125

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exam Other Question

directions: find the roots of each quadratic equation by factoring. my equation is x^2-9/4x-25. whats the answer? An atom has a mass number of 108. The number of neutrons is 1.25times the number of protons. How many protons are in the nucleus if mass number= neutrons+protons?