calculate total cost of 18 roofing sheets with a length of 3.6m @ $4.20per meter

To calculate the total cost of 18 roofing sheets with a length of 3.6 meters, priced at $4.20 per meter, follow these steps:

### Step-by-step calculation:
1. **Cost of one sheet**:  
   Each roofing sheet is 3.6 meters long, and the price per meter is $4.20.  
   \[
   \text{Cost of one sheet} = 3.6 \, \text{meters} \times 4.20 \, \text{dollars/meter} = 15.12 \, \text{dollars}
   \]

2. **Total cost of 18 sheets**:  
   Now, multiply the cost of one sheet by the number of sheets (18 sheets):
   \[
   \text{Total cost} = 18 \times 15.12 = 272.16 \, \text{dollars}
   \]

Thus, the total cost for 18 roofing sheets is **$272.16**.

Would you like further details or clarifications?

### Related Questions:
1. How would the total cost change if the price per meter increases to $5.00?
2. What would the total cost be for 25 sheets instead of 18 at the same rate?
3. How much would it cost for 18 sheets if each sheet is 4 meters long instead of 3.6 meters?
4. What would be the total cost if a discount of 5% was applied to the final amount?
5. How would you calculate the total cost for roofing sheets of varying lengths?

### Tip:  
Always ensure the unit prices are consistent (in this case, per meter) when calculating material costs for construction projects.

Calculate total cost of 18 roofing sheets with a length of 3.6m @ $4.20 per meter.

Learn how to calculate the total cost of 18 roofing sheets, each with a length of 3.6 meters, priced at $4.20 per meter. This step-by-step solution includes key concepts like unit pricing and multiplication, making it suitable for students in Grades 5-7.

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