Norm's electric bill for December 2013 was $149.32. In 2014 the electric bill was $194.31.

Question

Norm's electric bill for December 2013 was $149.32. In 2014 the electric bill was $194.31. Next year Norm expects the bill to be the 2013 amount plus $25.00 more than the difference between 2013 and 2014. What is the new bill expected to be?

Answer 1

2013 = 149.32

2014 = 194.31

2015 = 2013 Amount + 25.00 + (2014 Amount - 2013 Amount)

= 149.32 + 25.00 + (194.31 - 149.32)

= 149.32 + 25.00 + 44.99

= 219.31