这一题应该是p-pt-s吗?为什麽答案是a?可不可以有哪位可以给在下解释一下。 Q12: From Leland’s gross pay of p dollars last week, t percent was deducted for taxes and then s dollars was deducted for savings. What amount of Leland’s gross pay last week remained after these two deductions? (1) p - s = 244 (2) pt = 7,552 |