A = lw
If we increased l by 50%, it would be 1.5l
If we decreased w by 50%, it would be 0.5l
A = (1.5l)(0.5w) = 0.75lw
lw - 0.75lw = 0.25lw or 25% lower
If we increased l by 50%, it would be 1.5l
If we decreased w by 50%, it would be 0.5l
A = (1.5l)(0.5w) = 0.75lw
lw - 0.75lw = 0.25lw or 25% lower