计费单位 | 收费标准 |
0~18吨(含18吨) | 每吨2.25元(1.4元基础水价+0.85元污水处理费) |
19~25吨(含25吨) | 每吨2.95元(2.1元基础水价+0.85元污水处理费) |
26吨(含26吨)以上 | 每吨3.65元(2.8元基础水价+0.85元污水处理费) |
(1)东东家八月份用水15吨,需要缴纳多少水费?
(2)君君家八月份共缴纳水费52.3元,君君家八月份用多少吨水?
同类型试题
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2