Given:
Emma has 100 notebooks.
She used 20 % of them that means,
[tex]\begin{gathered} 20\text{ percent of 100} \\ \frac{20}{100}\times100=20\text{ notebooks} \end{gathered}[/tex]Remaining books are,
[tex]100-20=80\text{ notebooks}[/tex]Jean had 10% more than that of Emma's remaining notebooks .
10 % of 80 is,
[tex]\frac{10}{100}\times80=8\text{ notebooks}[/tex]The number of jean have is,
[tex]80+8=88\text{ notebooks}[/tex]Answer:
Jean have 88 notebooks
