Question 990888
{{{45}}}% or {{{0.45}}} females of {{{x}}} people is {{{450}}}:

{{{0.45x=450}}}

{{{x=450/0.45}}}

{{{x=45000/45}}}

{{{x=1000}}}=> there are {{{1000}}} people

and if {{{450}}} are females, then {{{1000-450=550}}} are males