Determine wheter 3x+12+x is equivalent to 4(3+x). use properties of operations to justify your answer. ! answer only if you know!

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?