Question 955859
{{{A[s]}}}=starting amount; {{{1/x}}}=decrease per unit time;n= number of time units; {{{A[r]}}}=amount remaining 
{{{A[s](1/x^n)=A[r]}}}
{{{(15360liters)(1/(2^10))}}}=15 liters
ANSWER: After 10 days, there will be 15 liters remaining.