Jenna has 4 roommates. Each month the electricity bill is $100. How much will each roommate pay per year for electricity, if they divide the share equally?
There are 12 months in a year, so the total electricity for the year will cost 100*12 =$
<gadget id="calculator">100*12</gadget>
<output>1_200</output>
1200.
Since there are 5 roommates, each roommate will pay 1200/5=$
<gadget id="calculator">1200/5</gadget>
<output>240</output>
240 in a year.

<result>240</result>