1. A fire department spent $900 to purchase a new helmet and gloves. 
 The amount included the 6% sales tax. 
 Find the original price of the equipment, to the nearest dollar, before tax.
 => 900 dollars is the total amount the they paid including the 6% sales tax.
 => Let’s find the 6% sales tax
 => 6% = 0.06
 => 900 * .06 = 54 dollars
 => 900 – 54 = 846 dollars is the original price.