Answer:
[tex]\frac{9}{16}[/tex]
Step-by-step explanation:
Out of a total of 1, [tex]\frac{15}{20}[/tex] went to the fair and [tex]\frac{12}{16}[/tex] OF THOSE, bought atleast one book.
To find the fraction of students who bought at least one book, we will multiply both the fractions. That is the answer. Shown below:
[tex]\frac{15}{20}*\frac{12}{16}\\=\frac{3}{4}*\frac{3}{4}\\=\frac{9}{16}[/tex]
Answer is [tex]\frac{9}{16}[/tex]
