增减变化百分比★★★★★同型源自真题 2026-04✓ 已校验Marcus's bank account balance decreased by 40% in March, and then increased by 25% in April. After these two changes, his balance is what percent of his original balance?三月份马库斯的银行账户余额下降了 40%，四月份又上涨了 25%。经过这两次变化后，他的余额是原来的百分之多少？(A)60(B)75(C)80(D)85(E)125