Respuesta :
The number of years that a person in Japan is expected to live based on the equation will be 87 years.
The equation given in the question is represented as: y = 0.28x + 73.
Since x is the number of years since 1970, using 2021 as an illustration, then x will be:
= 2021 - 1970 = 51
Therefore, putting the value of x back into the equation will be:
y = 0.28x + 73.
y = 0.28(51) + 73
y = 14.28 + 73
y = 87.28
Therefore, the life expectancy is 87 years.
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