exam Maths Puzzle Numerical Ability

between the years of 1990 and 2000, the annual profit of the alpha company increased by about $70,000 per year. in 1998, the company had an annual profit of 2,000,000. write an equ

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exam Other Question

1.Six times a number minus 5 equals 43.what is the number?
2.if 7 is added to half a number the result is 12.what is the number? Find x^2 + y^2 if x and y are positive integers such that:

xy + x + y = 71
x^2y + xy^2 = 880