SOLUTION: you make 300 dollars per week and 10 dollars per sale, the total earned for the week is 750 how many sales were made for that week

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Question 590979: you make 300 dollars per week and 10 dollars per sale, the total earned for the week is 750 how many sales were made for that week
Answer by ad_alta(240) About Me  (Show Source):
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Let 's' be the number of sales per week and 'C' the money you make. Then C=10*s+300, so if 750=10*s+300 we must have s=45.