Respuesta :

Answer:

16 hours

Step-by-step explanation:

Given:

  • Time Mary spends on math homework per week: 2 2/3 hours
  • Time Mary spends on art homework per week: 3 1/3 hours

Therefore, time spent on both homeworks over 4 weeks:

= 4 × (math homework + art homework )

[tex]=4(2 \frac23+1\frac13)[/tex]

[tex]=4\left(\dfrac83+\dfrac43\right)[/tex]

[tex]=4\left(\dfrac{12}3\right)[/tex]

[tex]=4(4)[/tex]

[tex]=16 \textsf{ hours}[/tex]