SOLUTION: A company finds that there is a linear relationship between the amount of money that it spends on advertising and the number of units it sells. If it spends no money on advertising

Question 809085: A company finds that there is a linear relationship between the amount of money that it spends on advertising and the number of units it sells. If it spends no money on advertising it sells 300 units. For each additional $3000 spent, an additional 15 units are sold.
a) If x is the amount of money that the company spends on advertising, find a formula for y, the number of units sold as a function of x. (do not use commas in your formula).

Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
y = (15/3000)x + 300
y = (1/200)x + 300
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