1. The canteen needs 180 sausages for the school barbecue and will buy them all in one size of pack. The table shows what each size holds and costs. If the canteen buys whichever size works out cheapest PER SAUSAGE, what will the 180 sausages cost altogether?
| Pack | Sausages | Price |
|---|---|---|
| Small | 12 | $4.80 |
| Medium | 20 | $7.50 |
| Large | 36 | $12.60 |