Let's firstly convert the mixed fraction to "improper" and then proceed,

Answer:
1. 3/5=60%
2. 4 remaining in the bag
3. 2 marbles remain in the bag
4. 2/4=1/2=50%
Answer:
The temperature at sunrise was lower on the day in 2012 than on the day in 2013.
The difference between the 2012 and 2013 rates of temperature increase was 0.1 degrees per hour.
Both days had a constant rate of change in temperature per hour over the time periods shown.
Step-by-step explanation:
I don't know of that's right but . . .
Answer: 6weeks
Step-by-step explanation:
If it takes 4 men, 9 weeks to build a barn.
It will take a man; 4 x 9weeks =36 weeks to make a barn
If it takes a man 36weeks to make a barn, it will take 4men + 2 men i.e 6men = 36/6
6 weeks to make a barn