exam Maths Puzzle Numerical Ability

solve the following system of linear inequalities by graphing.
3x-y<2
x+y>2

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exam Other Question

p ( in millions) = 250 X 2(y-1990)/66

What will be the population of the United States if this growth rate continues? solve for x, write answer as inequality:
(2x+5)/(x-7) can someone show me how to do this?