題目誤導人~
6 n$ u' e5 f* _5 \0 t5.39.217.76owner 100, E( W, W1 k" ~' n S7 ?
owner's son 203 `9 T. v' q% J7 K! I" ~) n& W; t( g! C
each pay 40
# y; B) [$ H9 {3 h40*3 = 120
3 j; w, X4 V5 H7 d( Ctvb now,tvbnow,bttvb120(3 guys) - 20(owner's son) = 100 (owner) |