Question

Peter saved $120 on his heating bills one year by turning his thermostat down 5 degrees. What was his old heating bill?

Answer 1

what is his current heating bill?

Answer 2

Peters old heating bill is approximately 300-400 dollars precluding the turning of his thermostat down 5 degrees to save $120. A change in 3-4 degrees usually shows up to abutu 10% of a difference in the bill

Answer 3

Let x = current heating bill
Old heating bill: x-120