Tasty Watermelon-Minty Margaritas

TWISTY WATERMELON-MINTY MARGARITA ½ c. sugar ¼ t. salt 6 torn fresh mint sprigs 8 thin lime wedges ¾ c. boiling water 8 c. chopped fresh watermelon 1 c. Silver Tequila ½ c. fresh lime juice Ice ¼ c. fresh mint…