The Baum and the Freeman families are comparing their electric bills for the past month. The Baum family is on a standard use plan and the Freeman family is on an interval use plan. Each family's usage is listed on the chart below:
Standard Use PlanInterval Use Plan
\begin{tabular}[t]{l}
8.5 cents/kWh for the first 400 kWh
12 cents/kWh for the next 400 kWh
14.5 cents/kWh for anything over 800 kWh
&
On-peak hours - 13 cents/kWh
Off-peak hours - 2 cents/kWh
\\
\hline
\end{tabular}
Both families use 1250 kWh for the given 30-day period. The Freeman family uses 400 kWh during on-peak hours and 850 kWh during off-peak hours. Which family ends up paying more for their utilities? How much more?
AThe Freeman family pays $260.83 more than the Baum family.
BThe Freeman family pays $250.00 more than the Baum family.
CThe Baum family pays $69.00 more than the Freeman family.
DThe Baum family pays $78.25 more than the Freeman family.
Standard Use Plan | Interval Use Plan |
\begin{tabular}[t]{l} 8.5 cents/kWh for the first 400 kWh | |
12 cents/kWh for the next 400 kWh | |
14.5 cents/kWh for anything over 800 kWh |
On-peak hours - 13 cents/kWh |
Off-peak hours - 2 cents/kWh |
AThe Freeman family pays $260.83 more than the Baum family.
BThe Freeman family pays $250.00 more than the Baum family.
CThe Baum family pays $69.00 more than the Freeman family.
DThe Baum family pays $78.25 more than the Freeman family.