Quadri-, quadru-, quadr-is a Latin prefix related to the verb quadrare âto make squareâ, quadratus âsquareâ etc. Quad is simply an English shortening of quadrangle, quadruplet etc. So quadri-and quad are actually the same word.
Seattle, WA Sales Tax Rate. The current total local sales tax rate in Seattle, WA is 9.600% . The December 2014 total local sales tax rate was 9.500% .
Exact tax amount may vary for different items. Download all Washington sales tax rates by zip code. The Grant County, Washington sales tax is 7.90% , consisting of 6.50% Washington state sales tax and 1.40% Grant County local sales taxes.The local sales tax consists of a 1.40% county sales tax. The Grant County Sales Tax is collected by the merchant on all qualifying sales made within Grant County.