In abc if mA is six times less than seven times x, mB is five times less than three times x, and mC is five times less than four times x, find x and the measure of each angle

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?