$100kg$ flaxseeds containing $22\%$ by weight oil are extracted in a single stage extractor with $80kg$ pure hexane. Calculate the amounts and composition of overflow $V_1$ and underflow slurry $L_1$ leaving the stage.

$\backslash$table$[[$Oil in solvent,$0,20,30,50],[\backslash$table$[[$kg solution retained$/$ kg$],[$insoluble solid$]],0\mathrm{.}58,0\mathrm{.}66,0\mathrm{.}70,0\mathrm{.}87]]$