1. An airplane travels at a constant rate. Flying with the wind, it takes 3.4 hours to travel 2040 miles. Flyingagainst the wind, the return trip takes 5 hours. If there was no wind, how fast was the airplane flying?
Check your answer by verifying the distance, rate, and time formula for both directions that the airplane flies
2. A chemist wants to create a solution that is 24% acid. How many liters of a 40% acid solution must be added to 50 liters of an 18% acid solution to obtain this 24% acid mixture?
Check your solution by determining how much acid is in the two amounts that are combined versus the amount of acid in the final mixture.