Which best describes the solution set for the inequality below? 3x + 7 ≤ 4x – 8 or –2x + 3 ≥ 1 x ≤ 1 or x ≥ 15 x ≥ 1 or x ≤ 15 x ≥ 1 x ≤ 15

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?