1. Tell what the d, r, and t represent in the formula d = rt
2.Explain why it is sometimes helpful to use charts and diagrams.
3. Describe your favorite mode of transportation. Then write a problem using the formula d = rt and your favorite mode.
4. Chemistry Joshua is doing a chemistry experiment that calls for a 30% solution of copper sulfate. He has 40ml of 25% solution. How many milliliters of 60% solution should Joshua add to obtain the required 30% solution? (Hint - try a diagram)
5. Sales The Cookie Crumbles Company sells two kinds of cookies daily: peanut butter at $6.50 per dozen and chocolate chip at $9.00 per dozen. Yesterday, Cookie Crumbles sold 85 dozen more peanut butter than chocolate chip cookies. The total sales for both were $4055.50. How many dozen of each were sold?
6.Air Travel. An airplane flies 1000 miles due east in 2 hours and 1000 miles due south in 3 hours. What is the average speed of the airplane?
7. Boating The Yankee Clipper leaves the pier at 9:00AM at 8 knots (nautical miles per hour). A half hour later, The Riverboat Rover leaves the same pier in the same direction traveling at 10 knots. At what time will The Riverboat Rover overtake The Yankee Clipper?