Respuesta :
Answer:
5.3 Hours
Step-by-step explanation:
I took the test online in K12 and when I reviewed it said that 5.3 is the correct answer.
The total time Maria's family spent driving to and from her grandparents' house is option D 5.3 hours.
- The calculation is as follows;
To grandparents house:
[tex]= 140\div 56[/tex]
= 2.5 hours
And,
Return trip :
[tex]=140\div 50[/tex]
= 2.8 hours
Now
Total time is
= 2.8+2.5
= 5.3 hours
Learn more: https://brainly.com/question/864553?referrer=searchResults