Question 1 of 4arithmetic series
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A teacher earns \$x in his first year and his salary increases each year by 10% of his first year's salary. His total salary after n years…
A teacher's total salary after n years is \dfrac{nx(n+19)}{20}, where \$x is his first year's salary. Find the least value of n for which…
What is the common difference of the salary arithmetic progression, in terms of x?
From \dfrac{nx(n+19)}{20}>100x, cancel x and simplify to a quadratic inequality in n, in the form n^2+bn+c>0.
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