Hi tracywhamtracywham wrote:Given answer is 520.

I got 455

Good Afternoon.

520 is a logical answer.

The 60 more boxes in the second scenario come from those boxes with defective packing moving to those boxes which are packed correctly.

Draw a comparison MD and you’ll see 24u ----- 60 + 360 + 60 ----- 480

This gives 1u ----- 20

Hence 26u ----- 520.

Best wishes