Step-by-step explanation:
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- Width of a rectangle ( w ) = 7t - 1.5 ft
- Length of a rectangle ( l ) = 1.5t + 8 ft
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- Perimeter of the rectangle
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Answer:
The population decrease by 17%.
Step-by-step explanation:
This is because 66,400 is 83% of 80,000.
100%-83%= 17%
Therefore, the percentage of the population that decreased was 17%
An=a1+(n-1)d
A15=6+(15-1)2
A15=6+(14)2
A15=6+28
A15=34
Answer=34