7. Jose's mother is trying to decide whether or not she should buy a 12 ounce package of coffee on sale for $7.50 or the same coffee for $9.00 per pound. Which is the better buy?
(10 Points)
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8. In question 7 what is the price per ounce for the $9.00 coffee?
(10 Points)
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Pls help :/

Acompany manufactures three types of cabinets. it makes 110 cabinets each week. in the first week, the sum of the number of type-1 cabinets and twice the number of type-2 cabinets produced was 10 more than the number of type-3 cabinets produced. the next week, the number of type-1 cabinets produced was three times more than in the first week, no type-2 cabinets were produced, and the number of type-3 cabinets produced was the same as in the previous week.