Answer:
1 pound
Step-by-step explanation:
How I figured it out was I divided 30 pounds by 10 days, and that meant that three pounds was eaten each day, however you want to know how much 1 dog eats in 1 day, so then divided 3 by 3, making 1.
30/10=3
3/3=1
1 dog eats 1 pound of food each day.