Answer:
4.5 billion
Step-by-step explanation:
[tex]2.3(1+x/100)=3.2[/tex]
[tex]1+x/100=3.2/2.3[/tex]
[tex]x/100=32/23-1[/tex]
[tex]x/100=0.39130434782[/tex]
[tex]x=0.39130434782(100)[/tex]
[tex]x=39.1304347826[/tex]
[tex]3.2(1.39130434782)[/tex]
[tex]4.45217391302[/tex]