You can figure out how many boxes Carl will need by dividing the total number of DVDs by the amount of DVDs each box can hold.
Your equation should be: 512 ÷ 20 = x (amount of boxes needed)
512/20 = 25.6
We will round 25.6 up because you cannot have a fraction of a box, so 25.6 becomes 26.
Carl will need 26 boxes.
It’s 12.6, the top and bottom sides are parallel to each other.
Answer:

Step-by-step explanation:
The number exceeds 21 or is greater than 21.
‘
’ represents greater than.
Let the number be
.

The answer to the first part is (4,1).
The answer to the second part is (11,2).