Answer:
B.
Step-by-step explanation:
21 X 2 = 42
42-7 = 35
35 + 21 = 56
The information is really hard to follow, you should ask the question with a screenshot of the data table.
8 ounces* 20 days= 160 ounces
160 ounces divided by 16 ounces in a pound= 10 pounds
She will have fed tiny 10 pounds of dog food in 20 days.
7x-4=2
add 4 to both sides
7x=2+4
7x=6
divide 7 to both sides
x=6/7