freehomedelivery.netfreehomedelivery.net/wp-content/uploads/... · Q2. (d) (e) An aircraft uses...
20
freehomedelivery.netfreehomedelivery.net/wp-content/uploads/... · Q2. (d) (e) An aircraft uses rivets at a constant rate of 5000 kg per year. The rivets cost 20 per kg and the company