Answer:
$966
Explanation:
Given that $630 was invested in 1997
At a constant rate the value grew to $840 in 2002.
This implies that $210 was gotten in 5years:
$(840-630)=$210
and 2002-1997= 5years
therefore, to determine the value of the account in 2005: 2005-1997=8years
$210=5years
$x=8years
CROSS MULTIPLY
5x= 210×8
5x=1680
x=$336
Value of account in 2005 will be: $630+$336=$966
Therefore $966 was made in the next 8years(2005).