The question is an illustration of a division model.
The boxes will be completed with: 1650, 231, 50 and 7
The expression is represented as:

Express 1881 as 1650 + 231.

Split

Evaluate each division


The above illustration means that, the boxes will be completed with the following numbers
See attachment for proper illustration
Read more about division models at:
brainly.com/question/15163437
Do the left side first but make sure to label each point according to the numbers. Then in the right side, you will follow the instructions connecting the numbers you wrote in from the left side. It will form your pic.
The common denominator is already there 12 is the common denominator!! :)
The construction crew took
days to build
miles of road.
Therefore, in 1 day, the crew built
miles of road
=
miles of road
Thus, the required rate is
miles or
miles per day.