 
<translate> Reggie tụfuru bọl 10 n'ihi na 100 - 90 = 10. Ebe ọ bụ na egwuregwu nke ọ bụla ruru 10 marbles, Reggie emeriela 1 egwuregwu. Ya mere, azịza ya bụ 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. 