Your friend incorrectly says the solution to the equation 11.2y - 7.4y=141.36 is y=7.6 what error did your friend make?
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Assuming that this question is based on a graph, and that this graph tells us that people 50-64 years make up 35% of all the voters, then it would mean that
35%of 12000=
So, assuming that people at age 50-64 make up 35% of the voters, then 4200 of them voted.
35%of 12000=
So, assuming that people at age 50-64 make up 35% of the voters, then 4200 of them voted.