Problema Solution
Each day, the number of births in the world exceeds the number of deaths by 50 thousand. The combined number of births and deaths is 268 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 50 thousand
b = d + 50,000
The combined number of births and deaths is 268 thousand
b + d = 268,000
by solving the system of equations
b = d + 50000
b + d = 268000
we find
b = 159,000 births
d = 109,000 deaths
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there are 159,000 births and 109,000 deaths in the world per day.