One side of a square is 7cm what is the area

All per-unit concepts rely on ratios,meaning,to provide a type of measurement

Could somebody me with this radical simplification?

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?