The Lost bean sells a blend of coffee made from two different coffees. The first coffee costs $2.50/lb, and the second coffee costs $3.00/lb. If the blend is $2.80/lb, how much of each coffee is used...
The Lost bean sells a blend of coffee made from two different coffees. The first coffee costs $2.50/lb, and the second coffee costs $3.00/lb. If the blend is $2.80/lb, how much of each coffee is used...
If z varies directly to b, and b = 21 when z = 2. Find z when b = 105.
Two cards are drawn from a standard deck of cards with replacement. What is the probability that the first is a King and the second is not a King?
The Inverse Square Law of Light states that the luminosity of a light source varies inversely to the square of the distance from the light source. When a light meter is 7 feet away from a...
If a computer prints 21.9 lines in 12 seconds, how many lines can it print per minute? (Round to the nearest tenth.)
One way The Ideal Gas Law can be stated is: In a closed system with a constant volume, the the pressure exerted by the contained gas (measured in atmospheres) changes directly proportionally to temperature...
If y varies directly to the square root of k, and k = 36 when y = 41. Find k when y = 205.
You have looked at your budget and realize that you can spend $450 per month on a house payment. The bank has offered to loan you money for 30 years at a rate of 3.5% interest compounded monthly. Determine...
The Thorntons have just welcomed their second child into their family. Due to the increased size of their family, they decide to move out of their little 2 bedroom apartment. They have saved $20,000...
You have to purchase some kitchen cabinets. You realize that Cabinet X expenses $10 for every unit, obliges six square feet of floor space, and holds eight cubic feet of records. Cabinet Y costs...
A company is considering two insurance plans with coverage and premiums. Policy A: Fire/Theft: $10,000 Liability: $180,000 Premium: $50 Policy B: Fire/Theft: $15,000 Liability:...
Each day I must have at least 480 IU of vitamin A, 5 mg of vitamin B1, and 100 mg of vitamin C. I can choose between pill 1, which contain 240 IU of vitamin A, 1 mg of vitamin B1, and 10 mg of vitamin...
A pension fund manager decides to invest a total at most $25 million in US Treasury bonds paying 5% annual interest and in mutual funds paying 7% annual interest. He plans to invest at least $5 million...
A dairy company gets milk from two dairies and then blends the milk to get the desired amount of butterfat. Milk from dairy I costs $2.40 per gallon, and milk from dairy II costs $0.80 per gallon...
A dietician is planning a snack package of fruit and nuts. Each ounce of fruit will supply zero units of protein, 2 units of carbohydrates, and 1 unit of fat, and will contain 21 calories. Each ounce...
Write an augmented matrix for the following systems of equations. 9x-5y+5z=-6 x-6y+3z=2 9y-8z=-5
The demand equation for the Bohen Industries Jigrods is 3x+p-1500=0, where x is the quantity of items demanded per week, and p is the unit price in dollars. The supply equation is 2x-3p+1200=0,...
The Foothill Truck Leasing Company leases 2 sizes of trucks: $30/day plus $0.15/mile or $25/day plus $0.20/mile ' a) Find the functions describing the daily cost of each truck b)...
Solve partition
Angelina and Brad are both running for class president. Angelina goes down a hallway in the school and puts a sticker on every 28 lockers. Brad goes down the same hallway, putting one of his stickers...