Jada drove at a rate of 45 mi/h. Due to detours, she had to return home a different way…

Jada drove at a rate of 45 mi/h. Due to detours, she had to return home a different way at a rate of 30 miles per hour. The total distance that she had to drive that day was 225 miles and it took a total of 6 hours. How long did it take her to get home?