Marta has opened a savings account with $25. At the end of three months, she has $85 in her account. She deposited the same amount each month during these three months. At what rate has she been making deposits to her savings?

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?