If one wheelbarrow of grass clippings weighs 30 lbs and one wheelbarrow of leaves weighs 6 lbs, how many wheelbarrows of leaves would you need to combine with 8 wheelbarrows of grass clippings to achieve a C:N ratio of 32:1? Grass Clippings (C:N = 20:1, Moisture = 77%) Leaves (C:N = 65:1, Moisture = 35%)