When tolls on the Dulles Airport Greenway were reduced from $1.75 to $1.00, traffic increased from 10,000 to 26,000 trips a day. Assuming all changes in quantity were due to the change in price, what is the price elasticity of demand for the Dulles Airport Greenway?

Five times the sum of a number and 27 is greater then or equal to six times the of that number and 26. what is the solution set to this proportion?

Lincoln company has an accounting policy for internal reporting purposes whereby the costs of any research and development projects that are over 70 percent likely to succeed are capitalized and then depreciated over a five-year period with a full year of depreciation in the year of capitalization. in the current year, $400,000 was spent on project one, and it was 55 percent likely to succeed, $600,000 was spent on project two, and it was 65 percent likely to succeed, and $900,000 was spent on project three, and it was 75 percent likely to succeed. in converting the internal financial statements to external financial statements, by how much will net income for the current year have to be reduced? a. $180,000b. $380,000c. $720,000d. $900,000

Oz makes lion food out of giraffe and gazelle meat. giraffe meat has 18 grams of protein and 36 grams of fat per pound, while gazelle meat has 36 grams of protein and 18 grams of fat per pound. a batch of lion food must contain at least "46,800" grams of protein and 70,200 grams of fat. giraffe meat costs $1/pound and gazelle meat costs $2/pound. how many pounds of each should go into each batch of lion food in order to minimize costs? hint [see example 2.]