Question

求平段,谷段电价每千瓦时各为多少元,5月份小明家将多支付电费多少元

Answer 1

(1)原电价x元,则平段电价(x+0.03)元,谷段电价(x-0.25)元.

40(x+0.03)+60(x-0.25)=42.73

x=0.5653 x+0.03=0.5953 x-0.25=0.3153

(2)100×0.5653=56.53 56.53-42.73=13.9