Question 92892
L=2W+3 ... area=L*W ... 99=(2W+3)W ... 2W^2+3W-99=0 ... using quadratic formula gives {{{W=(-3 +- sqrt(3^2-(4(2)(-99))))/(2(2))}}}


{{{W=(-3 +- sqrt(801))/4}}} ... W=6.325 and W=-7.825 ... negative value is unrealistic


L=2W+3 ... L=2(6.3255)+3 ... L=15.651 ... extra digit in W for precision in calculating L