A laptop normally sells for $539.99. The laptop is now on sale for 35% off. As an employee, Calvin is able to save an extra 10% off the sale price. If there is no sales tax, how much will Calvin pay for the laptop to the nearest dollar?

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !

The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school. each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220