the amount that Peggy has is twice that of Mike .
还有一句,If 6 times a number mius 9 is 81,the number is...
那这句呢?If 6 times a number mius 9 is 81,the number is...
追答如果一个数的6倍减去9是81,这个数字是多少?
那这句呢?If 6 times a number mius 9 is 81,the number is...
追答一个数的6倍数减去9的结果是81,这个数是多少
答案是 15