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A certain material is sold at the rate of N2.50 per metre for the first 5 metres and N2.00 per metre for every additional metre.

Find the cost of buying 8 metres of the material.

Answer :

To find the cost of buying 8 meters of the material, let's break it down step-by-step:

1. Understand the Pricing Structure:
- For the first 5 meters, the material is priced at N2.50 per meter.
- For every meter beyond the initial 5 meters, the price is N2.00 per meter.

2. Calculate the Cost for the First 5 Meters:
- Since the first 5 meters are priced at N2.50 each, you multiply the price by the number of meters:
[tex]\[
\text{Cost for first 5 meters} = 5 \times 2.50 = N12.50
\][/tex]

3. Calculate the Cost for the Additional Meters:
- You need a total of 8 meters, so you purchase an additional 3 meters (since 8 - 5 = 3).
- These additional 3 meters cost N2.00 each:
[tex]\[
\text{Cost for additional 3 meters} = 3 \times 2.00 = N6.00
\][/tex]

4. Calculate the Total Cost:
- Add the cost of the first 5 meters and the additional meters:
[tex]\[
\text{Total cost} = N12.50 + N6.00 = N18.50
\][/tex]

So, the total cost of purchasing 8 meters of the material is N18.50.

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Rewritten by : Barada