一件商品打九折后,又提价l0%,现价是原价的( ) A.100% B.20% C.99%
问题描述:
一件商品打九折后,又提价l0%,现价是原价的( )
A. 100%
B. 20%
C. 99%
答
90%×(1+10%),
=90%×110%,
=99%;
99%<1;
现价是原价的99%,
故应选:C.