8 x 12 (15) = 120x180
71.25*3=3.75 = 3 1/4 inches
Answer:
too much reading, can you put more points.
(edit: OML SO SORRY -THOUGHT THIS WAS QUESTIONS)
Step-by-step explanation:
Jack's current monthly bill is
(1200 kWh +400 kWh)*($0.075/kWh) = $120
On the interval use plan, Jack's monthly bill would be
(1200 kWh)*($0.03/kWh) + (400 kWh)*($0.15/kWh) = $36 + 60 = $96
If Jack were to switch, his savings would be $120 -96 = $24.
The appropriate choice is ...
b. Jack should switch to the interval use plan, which would save him $24 per month.
Solution along with work is included in attachment.
The best choice is A)
when you add a zero, it does not count on a decimal, so,
1.9, 1.90, 1.900.
