Problema Solution
Each day, the number of births in the world exceeds the number of deaths by 28 thousand. The combined number of births and deaths is 274 thousand. Determine the number of births and the number of deaths per day.
Answer provided by our tutors
let
b = the number of births
d = the dumber of deaths
Each day, the number of births in the world exceeds the number of deaths by 28 thousand
b = d + 28,000
The combined number of births and deaths is 274 thousand
b + d = 274,000
by solving the system of equations
b = d + 28000
b + d = 274000
we find
b = 151,000 births
d = 123,000 deaths
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there are 151,000 births and 123,000 deaths in the world per day.