If a number is divided into two but such. One part is 10 more than the other is the two parts in the ratio of 5 to 3 find number and the two parts

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?