Answer:
An object moving at a speed of 6 yards per day can be expressed in terms of feet per week. To convert yards to feet, we know that 1 yard is equal to 3 feet1.
To convert days to weeks, we know that 1 week is equal to 7 days1.
Therefore, to express the speed of the object in terms of feet per week, we can perform the following calculations:
Speed in feet per day: 6 yards/day × 3 feet/yard = 18 feet/day
Speed in feet per week: 18 feet/day × 7 days/week = 126 feet/week
Hence, an object moving at a speed of 6 yards per day is equivalent to a speed of approximately 126 feet per week.