You need garden edging for a garden with a perimeter of 14m. Garden edging comes in 1800mm lengths. How many lengths will you need to buy to have enough edging for the entire perimeter?

To solve this, let's break down the problem:

1. The total perimeter of the garden is 14 meters, which is 14,000 millimeters (since 1 meter = 1000 millimeters).
2. Each garden edging length is 1800 millimeters.

Now, divide the total perimeter by the length of each edging piece:

\[
\frac{14,000 \, \text{mm}}{1,800 \, \text{mm}} = 7.78
\]

Since you can't purchase a fraction of a length, you'll need to round up to the next whole number. So, you will need **8 lengths** of garden edging.

Would you like further details or have any questions?

Here are 5 follow-up questions for deeper understanding:
1. How much extra edging will you have after buying 8 lengths?
2. What would the perimeter be if the garden was 16 meters?
3. If each edging length costs $5, how much will you spend in total?
4. How many lengths would you need for a garden with a perimeter of 20 meters?
5. What if the edging lengths were 2 meters instead of 1800mm?

**Tip:** Always convert units to the same system before performing any calculations.

Find out how many garden edging lengths you need for a garden with a perimeter of 14 meters. This problem involves unit conversion from meters to millimeters and dividing by the length of each edging piece, rounding up the result to the nearest whole number. Perfect for students in Grades 6-8.

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