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enyata [817]
3 years ago
6

the population of a country double every 10 years from 1950 to 1980.what was the percentage increase in population during this t

ime
Mathematics
1 answer:
fredd [130]3 years ago
3 0

700% increase.

Step-by-step explanation:

The duration was 3 decades, or 30 years. The population starts at 100%, then doubles to 200% (decade 1), then 400% (decade 2), then 800% (decade 3).

800% - 100% = 700%

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The number of Apple cakes is 4/5 of the number of strawberry cakes. There are 24 strawberry cakes more than apple pies. What per
serious [3.7K]
--------------------------------------------------------------------
Ratio Given
--------------------------------------------------------------------
Apple : Strawberry
4 : 5

--------------------------------------------------------------------
Find difference in parts
--------------------------------------------------------------------
5 - 4 = 1

--------------------------------------------------------------------
Find Number of strawberry cakes
--------------------------------------------------------------------
1 part = 24 cakes
5 parts = 24 x 5 = 120

--------------------------------------------------------------------
Find number of apple cakes
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1 part = 24 cakes
4 parts = 24 x 4 = 96 

--------------------------------------------------------------------
Total number of cakes 
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120 + 96 + 144 = 360

--------------------------------------------------------------------
Percentage of cranberry cakes
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144/360 x 100 = 40%

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Answer: 40% of the cakes are cranberry cakes
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