Question 904058
working people= w
retired people= x

w=4*x
For example, there are 10 retired people. The number of working people is four times the number of retired people, which is 40.
w=4*x
40= 4*10
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unemployed people=u
u={{{1/2}}}*x
For example, there are 10 retired people. The number of unemployed people is half the number of retired people, which is 5.
5={{{1/2}}}*10