Matt and Peter can do together a piece of work in 24 days. After they have worked together for 12 days Matt stops and Peter completes the remaining work in 10 days. In how many days Peter complete the work separately.
Choices.
A) 24  B) 25  C) 26  D) 27  E) 28
Together they complete the job in 24 days means they complete 12/24 of the job after 12 days.   Peter completes the remaining (12/24) of the job in 10 days which means that the whole job(1) can be completed in X days.   X=12/(12/24)= 
<gadget id="calculator">12/(12/24)</gadget>
<output>24</output>
24   24
<result>A</result>
Matt and Peter can do together a piece of work in 24 days. After they have worked together for 12 days Matt stops and Peter completes the remaining work in 10 days. In how many days Peter complete the work separately.