Answer:
B
Step-by-step explanation:
Multiply each ratio by the same number
4x3=12 7x3=21
A because 1-10 would be -9 and she was a meter above so positive but they descended 10 meters no negitve
The percent increase in population is: 87%
Further explanation:
The percent change is given by:

Given
Population before 10 years = 25800 people
Population after 10 years= 48200 people

Putting the values in the formula:

The percent increase in population is: 87%
Keywords: Percentage, Population
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Answer:
The answer would be -4.
Step-by-step explanation:
This is because the product of a number and -3 must be 8 less than 20, which is 12. And -3 times -4 is 12.