Answer: by combining 1/4 and 1/3 and then you find the amount of left over dog food. Multiply the fractions so they have common denominators, then add. You will get 3/12 + 4/12 = 7/12. 12 - 7 = 5, so there is 5/12 of the bag left.
Step-by-step explanation:
Answer:
{x, y, z} = {-4, 2, 4}
<u>i think this is the answer</u>
The newspaper carrier can deliver 147 newspapers in 3 hours