11. Mary traveled a total of 10 hours and a total of 1850 miles by car and by plane Driving to the airport by car, she averaged 50 miles per hour. In the air, the plane averaged 300 miles per hour. How long
did it take her to drive to the airport?

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

Pleasseee important quick note: enter your answer and show all the steps that you use to solve this problem in the space provided. use the circle graph shown below to answer the question. a pie chart labeled favorite sports to watch is divided into three portions. football represents 42 percent, baseball represents 33 percent, and soccer represents 25 percent. if 210 people said football was their favorite sport to watch, how many people were surveyed?