An electricity plan charges a fixed monthly fee of $12, then $0.20 per unit for the first 100 units

Question

An electricity plan charges a fixed monthly fee of $12, then $0.20 per unit for the first 100 units and $0.28 per unit thereafter. Find the bill for 175 units, before any other charge.

Accepted Answer

$\$53$

Reading a banded charge

Reading a banded charge

Solution:

Solution locked