A manufacturer produced x percent more video cameras in 1994 than in 1993 and y percent more video cameras in 1995 than in 1994.If the manufacturer produced 1000 video camers in 1993,how many did themanufacturer produce in 1995?
1. xy=20
2.x+y+xy/100=9.2
我选的是C,答案是B。。奇怪的,NN帮帮忙看下吧~~
呵呵,谢了。。 |