To determine the price of milk per litre when a dairy charges [tex]$42.50 for 5 litres, we can follow these steps:
1. Identify the total cost and quantity:
- Total cost for 5 litres of milk: $[/tex]42.50
- Quantity of milk: 5 litres
2. Set up the division to find the price per litre:
- We need to divide the total cost by the quantity of milk to find the price per litre.
3. Perform the division:
- Divide [tex]$42.50 by 5.
4. State the result:
- After performing the division, we find that the price per litre of milk is $[/tex]8.50.
So, the price of milk per litre is $8.50.