david bought 100 rubbers for $200 .he sold 30% of them at a price of $4 each and then sold the remaining rubber at $3 each .find the percentage change.
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/25 19:57:19
![david bought 100 rubbers for $200 .he sold 30% of them at a price of $4 each and then sold the remaining rubber at $3 each .find the percentage change.](/uploads/image/z/8696494-46-4.jpg?t=david+bought+100+rubbers+for+%24200+.he+sold+30%25+of+them+at+a+price+of+%244+each+and+then+sold+the+remaining+rubber+at+%243+each+.find+the+percentage+change.)
xPA0襕 m!&IJM+ٞ]_$܅@|#
yP).3@N\FUɀ*;B䕬Ntb%v=ۃqbH3&CNsݍ9m&ݹ?W-XVs;YZȽ-wCU33k@n(/%/
david bought 100 rubbers for $200 .he sold 30% of them at a price of $4 each and then sold the remaining rubber at $3 each .find the percentage change.
david bought 100 rubbers for $200 .he sold 30% of them at a price of $4 each and then sold the remaining rubber at $3 each .find the percentage change.
david bought 100 rubbers for $200 .he sold 30% of them at a price of $4 each and then sold the remaining rubber at $3 each .find the percentage change.
the total money he get from solding all rubbers=30*4+70*3=$330
so the changed percentage=330/200=165%