Rearrange formulas to highlight a chosen quantity across the expression types studied.
Use a rearranged formula to compute a requested value
Problem
Use \(A~=~lw\) to find \(l\) when \(A~=~48\) and \(w~=~6\).
Big Picture
What this problem is really about
Rearrange the area formula symbolically before substituting measurements. Isolating the missing side makes the required operation clear: divide the known area by the known nonzero width. After evaluating, multiply the two side lengths to confirm that they recover the original area rather than relying only on the arithmetic quotient.
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