exam Maths Puzzle Numerical Ability

Use the following tabe to answer the question.
Population of Europe by Age Groups
Population (in thousands)
1950 1970 1995
Age 0-14 143,175 166,367 139,464
Age 15-

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exam Other Question

If x=3 and x=5, then form a quadratic equation solve each system by graphing

3x-6y=9
x-2y=3