Question

Petra’s electricity supply company charges her a fixed quarterly sum plus a rate per unit for electricity used. In the most expensive quarter last year (January to March), she used 2 000 units and her bill was $250. In the least expensive quarter (July to September), she used 600 units and her bill was $138. She is now adding extra insulation to her home which is expected to reduce her overall electricity consumption by 25%. What can she expect her January to March bill to be next year (if there are no increases in overall tariffs)? *

Answer 1

Answer:

The size of ur mamma

Step-by-step explanation:

21

Answer 2

Answer:

I'm not that smart yet so I'm sorry I can't help you

Step-by-step explanation:

Sorry