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harina [27]
2 years ago
13

In 2009, the life expectancy is about 80 years. Assume that, due to modern advances, life expectancy gains 5.5 years every decad

e. From 2009, in how many years would humanity achieve a life expectancy of 110 years?
Mathematics
1 answer:
Rus_ich [418]2 years ago
4 0

Answer:

60 years

Step-by-step explanation:

2009 -> 80 years

             +5.5

2019 ->  85.5 years

             +5.5

2029  -> 91 years

              +5.5

2039  -> 96.5 years

             +5.5

2049  -> 102 years

              +5.5

2059  -> 107.5 years

              +5.5

2069  -> 113 years

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