We should calculate how many kg she needs to pack
needs to pack = 5/6 × total kg
needed to pack = 5/6 × 32
needed to pack = 160/6
needed to pack = 80/3 kg
Then calculate how many bags she needs
bags = kg needed to pack ÷ kg each bag
bags = 80/3 ÷ 2/3
bags = 80/3 × 3/2
bags = 240/6
bags = 40
She needs 40 bags to pack the sugar