Question

An electricity account works in two ways:

• Account A which involves a fixed charge of ₹120 and then ₹ 3.40 per unit.

• Account B which involves no fixed charge but ₹4.50 per unit.

On the same axes, draw a graph up to 400 units for each type of account, converting units to cost.​

Answer 1

Answer:

1. Charge for the 100 to 200 units – 15*100 = 1500 ... Approach: The idea is to identify the charge bar in which it falls and then calculate ...