Answer :
Final answer:
To calculate the cost per metre of material, divide the total cost by the number of metres. In this case £43.20 divided by 4.5 metres results in £9.60 per metre.
Explanation:
Your sister bought 4 1/2 metres of material for £43.20. To find out how much the material costs per metre, you need to divide the total cost by the total number of metres. Here's how you do it step by step:
- First, convert the mixed fraction 4 1/2 into an improper fraction or a decimal. Since 1/2 is equivalent to 0.5, 4 1/2 metres is the same as 4.5 metres.
- Next, divide the total cost (£43.20) by the number of metres (4.5). This will give you the cost per metre.
- £43.20 ÷ 4.5 = £9.60
So, the cost of the material per metre is £9.60.
When shopping for fabric, it's important to specify the units of measurement so the shop assistant knows exactly how much to cut. Whether you need yards or metres, units ensure you get the correct amount of fabric for your project, just like your sister did for her purchase.
