A bag contains 10 pounds of dog food.
A family feeds their dogs 0.85 pound of dog food a day so cin seven day the dog eats (0.85 x 7) = 5.95 pounds
so, <span>dog food is left in the bag after 7 days is </span>(10-5.95) = 4.05 pounds
Length times width times height
X = [-(-8) +/- sqrt((-8)^2 -4*41)] / 2
x = ( 8 + sqrt (-100) / 2 and (8 - sqrt(-100) / 2
4 +or- 5i
