<PRE><B>Question 98220</B>
(25+2X)(10+2X)-25*10=74 THIS IS THE TOTAL AREA MINUS THE POOL AREA EQUALS 74 SQ FT.
250+20X+50X+4X^2-250=74
4X^2+70X-74=0
2(2X+35X-37)=0
(2X+37)(X-1)=0
X-1=0
X=1 ANSWER FOR THE WIDTH OF THE BORDER.
PROOF
(25+2)(10+2)-250=74
27*12-250=74
324-250=74
74=74
</PRE>