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Katena32 [7]
3 years ago
10

A building measuring 90m by60m is to be built. A paved area of uniform will surround the building. The area is to have an are of

9000 metres squared. How wide is the paved area
Mathematics
1 answer:
Effectus [21]3 years ago
4 0
A= 9000m squared and A= base(width)*hight or A=b*h so divide 9000m by 60m
9000/60=(1050) 60 120 180 240 300 360 420 480 and so on
                            1     2     3    4      5     6    7     8
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1. You can estimate that it is 2 from 7/3 ≈ 2, then check by multiplication to see if that is right.
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2. You can divide 7 1/3 by 3 2/3 to see what the factor is.
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3. You could see how many times you can subtract 3 2/3 from 7 1/3.
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4. You could add 3 2/3 to see how many times it takes to get 7 1/3.
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___
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