Respuesta :

Answer:

[tex]5\frac{1}{4}[/tex]

Step-by-step explanation:

[tex]3\frac{1}{2} *1\frac{1}{2}[/tex]

3*2+1/2 * 2*1+1/2

7/2 * 3/2

7*3/2*2

21/4

[tex]5\frac{1}{4}[/tex]