Answer:
149 girls
Step-by-step explanation:
Rearrange the Percentage Equation:
[tex]T*p=F[/tex]
[tex]F/p=T[/tex]
Where [tex]T[/tex] is equal to the original amount, [tex]p[/tex] is the percentage as a decimal, and [tex]F[/tex] is the final amount.
Percent to Decimal:
[tex]86*0.01=0.86[/tex]
Applied Equation:
[tex]128/0.86=148.8[/tex]
Since there can't be a 0.8 of a girl, round up to get 149.
