After a 125% markup and a 10% discount the price of a watch is 30.78 before tax what was the wholesale price

If an item is $15.20 is increased by 125% (34.20) it would be about $34.20 before we subtract 10% (3.42)we arrive at the end cost of $30.78.

wholesale price would be 15.20

A) for the n row: 22+(n-1)×6therefore,b) 100-22=78that means (n-1)×6=7878÷6=1313+1=1414th row has 100 seats

The correct answer is $90