exam Maths Puzzle Numerical Ability

15: Solve the following equations.
12m2 + 7m = -1

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exam Other Question

Your computer supply store sells two typers of laser printers. The first, Type A, costs $160 and you make a $40 profit on each one, The second, type B, costs $120 and you make a $3 One number is five more than a second number. The product of the two numbers is 374. Use guess and check or other means to find the two numbers