The time needed to paint a fence varies directly with the length of the fence and indirectly with the number of painters. If it takes five hours and 30 minutes to paint a 150 feet fence with three painters, how long will it take seven painters to paint 510 feet of fence? (DO NOT ROUND THE VALUE OF K)

Which of the following transformations will make coincide with ? a. counter-clockwise rotation 90º about a, followed by a translation 5 units to the right b. translation 5 units to the right, followed by a reflection across the y-axis c. translation 5 units to the right, followed by a reflection across the x-axis d. translation 1 unit up and 5 units to the right, followed by a reflection across the x-axis