 <translate> 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. <yor> Reggie ti pàdánù bọ́ǹbù mẹ́wàá nítorí pé 100 - 90 = 10. Níwọ̀n bí eré kọ̀ọ̀kan ti ní ìpele mẹ́wàá, Reggie ti pàdánù eré kan. Nítorí náà, ìdáhùn náà ni 1. 