John got the follow scores on his tests what is the interquartile range of his scores 78,57,90,60,89,69,95 a. 18 b. 20 c. 30 d. 38

The manager at gabriela's furniture store is trying to figure out how much to charge for a book shelf that just arrived. the book shelf was bought at a wholesale price of $ 1 4 7 . 0 0 $147.00, and gabriela's furniture store marks up all furniture by 6 0 % 60%. at what price should the manager sell the book shelf?