Question 545982
{{{L*W=A}}} formula
{{{A=98}}} area given
{{{L=2W}}} length given
{{{2W*W=98}}} substitution
{{{2W^2=98}}}solve for W
{{{W^2=49}}} take sqrt
{{{highlight(W=7)}}}
{{{L=2(7)}}}
{{{highlight(L=14)}}}
check
{{{7*14=98}}}
{{{98=98}}}
correct