Section 3 1. What is the total cost of traveling 450 miles in 2 days? 2. What are all possible values of m? 3. What is x/2 + y/6 in terms of y? 4. What is the 90th digit of x, counting from left? 5. How long would it take 6 friends to wash all the windows? 6. What is the remainder when 3x is divided by 7? 7. What the sum of the equation solutions? 8. What percent of the selling price is the store's profit? 9. How many minutes will it take to run 50 laps at the same speed? 10. What is the value of c?