Mathematics, 19.09.2019 03:00 perezz97

Catherine found that as she increases the price of a chocolate bar, the number of sales per week decreased.
week - number of sales
1 - 149
2 - 143
3 - 137
4 - 131
5 - 125
a. write a formula for the arithmatic sequence that represents the number of sales per week.
b. exlain how you could use the information to predict the number of sales for the eighth week.

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