An item sold for $ 21.00 more than it cost. If the marked price of this item was 150 \% of its cost price, and if it was sold at a 30 \% discount, then its cost price was?

Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000