2/3 = 9/y
cross multiply
2y = 9 * 3
2y = 27
y = 27/2
y = 13.5 or 13 1/2
F(a)=-2a^2 - 5a^4
if a=-3
f(-3)=-2(-3)^2 - 5(-3)^4
=(-2*9) - (5*81)
=-18 - 405
=423
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126,360 people is equal to 108% therefore ...
you should divide it by 108 to get 1% : 1,170
and then times by 100 to get 100% : 117000 people
Hope this helps and have a nice day!
