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L8
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Teacher's Notes Topic: Num - percentages Gorillas L8 Here is part of a newspaper report about wildlife in a country in Africa. The number of gorillas has fallen by 70 ... – PowerPoint PPT presentation
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Title: L8
1
Teacher's Notes Topic Num - percentages
Gorillas
L8
If the number of gorillas falls by 70 every 10
years, how many gorillas will there be in 20
years time? In this situation how many were
there 30 years ago?
2
Gorillas
Here is part of a newspaper report about wildlife
in a country in Africa.
About how many gorillas were there in this
country ten years earlier?
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