Cari owns a horse farm and a horse trailer than can transport up to 8000 pounds of livestock and tack. she travels with 5 horses whose combined weight is 6240 pounds. let t represent the average weight of tack per horse. which of the following inequalities could be used to determine the weight of tack cari can allow for each horse? 1. 6240+t≤8000 2. 8000≥6240t 3. 6240+5t≤8000 4. 8000+6240≤5t 5. 8000-6240≤5t