Question 1156842
Let {{{ n }}} = total number of dogs eaten by day {{{ n }}}
{{{ n - 1 }}} = total number of dogs eaten by day {{{ n-1 }}}
{{{ 4*( ( 1 +1.1)^n - ( 1 +1.1)^( n-1 )) }}}
{{{ 4*( 2.1^n - 2.1^( n-1 ) ) }}}
-------------------------------
check:
how many dogs eaten on day 3 ?
{{{ 4*( 2.1^3 - 2.1^2 ) }}}
{{{ 4*( 9.261 - 4.41 ) }}}
{{{ 4*4.851 = 19.404 }}}
OK
------------------------------
Definitely get a 2nd opinion on this
( unless you know the answer )