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Maths Puzzle
Numerical Ability
4n-2n = 18
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Two years after an expansion, a company had sales of $42,000. Four years later the sales were $102,000. Assuming that the sales in dollars S and the time in years t are related by a linear equation, find the equation relating S and t.
Please help me solve this equation. I tried to solve these problems but I don't know the first step.
{{{7-1/9 k +32}}}
Thank You for your time. It is greatly appreciate