100 points it is due in 4 minutes please help fast when are the lower and upper quartiles calculated by finding the average of two values

Will gve pints stars and brainliest

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

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?