Respuesta :
Answer:
84 movie cases
Step-by-step explanation:
Width of each movie case = 3/4 in
Width of shelf = 63 inch
Number of movie case = Width of shelf ÷ Width of each movie case
= 63 ÷ [tex]\dfrac{3}{4}[/tex]
[tex]= 63 *\dfrac{4}{3}\\\\= 21 * 4\\\\= 84[/tex]