What fraction equivalent to 3/10

Using only odd number for numerators write two different subtraction problems that have a difference of 3/4

16x^2-16x=5 solve the equation by completing the square

Ken leaves work 20 minutes late. he decides to make up time by taking the toll road instead of side streets. he can travel three times faster by taking the toll road. create an equation to represent his total travel time, including wait time, where x is the number of minutes the drive was expected to take