Question Bank

After cycling to a trailhead, Dana plans to walk east along a canal path, turn around, and return to the trailhead by the same path. After walking 8.5 kilometres east, she decides to walk for only 88 minutes more. If Dana walks at a constant rate of 8 minutes per kilometre, how many kilometres farther east can she walk and still be able to return to the trailhead in 88 minutes?

Working simultaneously and independently at an identical constant rate, 4 machines of a certain type can produce a total of $x$ units of Product R in 7 days. How many of these machines, working simultaneously and independently at this constant rate, can produce a total of $3x$ units of Product R in 6 days?