6.
6 tons= 12,000 pounds
12,000-7,860= 4,140
so the answer is 4,140 pounds
7. 3 cups= 24 fluid ounces
40 - 24 = 16 fluid ounces
16 fluid ounces= 1 pint
so the answer is 1 pint left in the pitcher
8. 2.5 x 18= 45 feet
45 feet= 15 yards
so the answer is 15 yards