John needs 150 feet of rope to section off part of his barn. at a local hardware store he can buy a 30-yard spool for $24.00 or he can buy 150 foot at $0.25 per foot. which is the better buy?

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.