A room in a house is shown on a blueprint. The blueprint has a scale of 5 inches : 8 feet. How long is the actual wall? A door in the room has a width of 4 feet. What is the width of the door in the blueprint? Use proportions.

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?