Question

A rectangular swimming pool measures 15m by 10m. How wide must a concrete walk around the pool be if the walk is to have a perimeter of 66m.

Answer 1

It must be 4 metre wide
By each metre wider you make it you must ad 1 to all sides
If you make it 4 metre wide:
15+4+15+4+10+4+10+4= 66

Answer 2

Answer:

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Step-by-step explanation:

It must be 4 metre wide

By each metre wider you make it you must ad 1 to all sides

If you make it 4 metre wide:

15+4+15+4+10+4+10+4= 66