Aaron is cutting 1.75 square units of cardboard into equally sized pieces. Each piece will be 0.25 square units. How many pieces of cardboard will Aaron have

All together we have a 1.75 square units cardboard. We divide the cardboard into smaller pieces each with area 0.25 square units. We will divide 1.75 by 0.25 to find out the number of smaller pieces.

1.75/0.25=7 pieces