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DedPeter [7]
3 years ago
12

1. A rectangular garden has a perimeter of

Mathematics
1 answer:
antoniya [11.8K]3 years ago
6 0

Answer:

Length: 48

Width: 12

Step-by-step explanation:

Substition

l - 2w = 24

I = 60 - w

60 - w - 2w = 24

60 - 3w = 24

-3w = -36

w = 12

Substitute it into the equation to get the length.

l = 60 - 12

l = 48

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1.

a) metres to centimetres :

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b) metres to millimetres:

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c) kilograms to grams:

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