exam Maths Puzzle Numerical Ability

Solve the system of equations. Determine the number of solutions for each.
{1/3x+y=9
{-2x+2y=-6

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exam Other Question

120. Solve and match your result to the correct answer below.
-10 < 30 - 8m is < or equal to 6 i have a total of 47,000 products shipped out over the past 3 years. out of that 47,000 i have had a total of 282 defects. what would be the average ratio of number of defects per 1,000 products shipped over the past 3 years?