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Due to the inflation three stores had to close in a mall: one athletic shoe store, one kid's clothing store, and one department store. The mall received 30 applications from store owners who applied to the mall to have their kid's clothing store to replace the closed kid's store. The mall also received 60 applications from athletic shoe store and department store owners who applied their store to replace the closed department and athletic shoe store. If X = the number of applications for a store, use this information to complete the table X 30 40 60 P(x) xP(x) O P(x)=.30, .30, .30; xP(x)=9,12, 18 O P(x)=.33, .33, .33; xP(x)=9.90, 13.20, 19.80 O P(x)=.03, .03, .03; xP(x)=.90,1.2,1.8

A new dormitory is to be constructed.  There will be three types of rooms: single rooms which accommodate just 1 student per room, double rooms which accommodate 2 students per room, and triple rooms which accommodate 3 students per room.  The dorm will contain 151 rooms and accommodate 262 students. Further, there will be 20 more double rooms than single rooms.  Find the number of each type of room. There will be  Blank 1. Calculate the answer by read surrounding text. single rooms. There will be  Blank 2. Calculate the answer by read surrounding text. double rooms. There will be  Blank 3. Calculate the answer by read surrounding text. triple rooms.

A homeowner wants to build, along his driveway, a garden surrounded by a fence. A rectangular garden has been enclosed along a side of a driveway. The enclosure is bordered by a length of fence along the driveway (a long side), another long side of fence, and two short sides of fence. The side along the driveway is labeled "$6 per foot" while the remaining three sides are labeled "$2 dollars per foot." If the garden is to be 1,800 square feet, and the fence along the driveway costs $6 per foot while on the other three sides it costs only $2 per foot, find the dimensions (in ft) that will minimize the cost. length along the driveway  ft length perpendicular to the driveway      ft Find the minimum cost (in dollars). $