sat数学题（英语）TomandAlisonarebothsalespeople,Tom#39;sweeklycompensationconsistsof$300plus20percentofhissales.Alson#39;sweeklycompensationconsistsof$200plus25percentofhersales.iftheybothbadthesameamountofs

问题：sat数学题（英语）TomandAlisonarebothsalespeople,Tom#39;sweeklycompensationconsistsof$300plus20percentofhissales.Alson#39;sweeklycompensationconsistsof$200plus25percentofhersales.iftheybothbadthesameamountofslaesa

答案：↓↓↓

侯兴民的回答：

网友采纳　　LetthesalesbeadollarsandcompensationbebdollarsTom:300+a*20%=bAlison:200+a*25%=b300+0.2a=200+0.25a,0.05a=100,a=2000b=300+2000*20%=300+400=700