A company charges $42 per cubic yard of concrete. How much will it cost to pour a sidewalk that is 45 inches wide, 70 feet long, and 4 inches deep?

1 answer

45" = 1.25 yards

70 feet = 23.333 yards

4 inches = 0.111 yards

1.25 * 23.33333 * 0.1111 * 42 = ?