 
<translate> Reggie ya rasa 10 marbles saboda 100 - 90 = 10. Tun da yake kowane wasa yana da daraja 10 marbles, Reggie ya rasa wasa daya. Amsar ita ce 1. <eng> Reggie has lost 10 marbles because 100 - 90 = 10. Since each game was worth 10 marbles, Reggie has lost 1 game. So, the answer is 1. 