2/3 hour is 40 minutes. 1 3/4 hour is 1 hour and 45 minutes. So she spent 1 hour and 5 minutes or 1 1/12 hour longer doing homework.
Answer:
Step-by-step explanation:

This is a one-step equation. All you need to do is multiply the 2.5 over to the 20 to get x by itself.
x=50
Hope this helps!
Answer:
i have no idea girl or boy
Step-by-step explanation:
Answer:
60 inches or 5 feet
step-by-step explanation:
10 ft can be turned into 120 in
120/2
60 inches or 5 feet