Consider yourself as an entrepreneur at the mall selling 6000 donuts a day at 50¢ each. When you raised the price to 70¢ each, the sale dropped to 5000 donuts per day. Assume that
there is a linear relationship between the price and number of donuts sold. Further assume that
there is a fix cost (overhead) of $1000 per day and the cost of each donut is 25¢. What would be
the price of the donut to maximize the profit?

You are responsible for designing a new city. you are inspired by pierre charles l'enfant, who laid out the streets of our nation's capital. numbered streets run north and south, and lettered streets run east and west. avenues are named after states, and they intersect the streets on a diagonal. the streets are parallel and the intersections form similar triangles. 18th st. is 454 meters long and the intersection of 18th and k st. is 207 meters from connecticut ave. if 19th st. and k st. is 385 meters from connecticut ave., what is the length of 19th st.?

Three times the sum of a number and seven is negative thirty-six. what is the number?

Frank owns a $141,000 home, for which he has a 30-year mortgage in the amount of $700 a month. once he has paid off mortgage, how much will he have paid in investment? a. $111,000 b. $109,000 c. $120,000 d. $141,000