Pretend the program in Senegal had been reducing infant mortality at a rate
of 11 % per year. How long would it take for infant mortality
to be reduced by 39 %?
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To find out how long it would take for infant mortality to be reduced by 39% in the program in Senegal, you can use the concept of exponential decay.
Let's break down the problem step by step:
1. Start with the initial infant mortality rate reduction, which is 11% per year.
2. Calculate the reduction factor by subtracting the percentage reduction from 100%. In this case, it would be 100% - 11% = 89%.
3. Determine the number of years it would take for the reduction factor to reach 39%. To do this, divide 39% by the reduction factor (89%) and multiply by the number of years it takes for a 100% reduction (1 year).
The formula to calculate the number of years is as follows:
Number of years = (39% / 89%) * 1 year
Now, let's plug in the values and calculate:
Number of years = (39 / 89) * 1 year
Number of years = (0.439) * 1 year
Number of years ≈ 0.439 years
Therefore, it would take approximately 0.439 years for infant mortality to be reduced by 39% in the program in Senegal.