I believe you would answer like this: r=C÷2pi
He would have to work 13 hours
You would make all the fractions have the same common denominator of 12. First you would keep the fraction 7/12 because the denominator is already 12. Next you would take the fraction 1/3 and multiply it by 4/4 and the new fraction for 1/3 becomes 4/12. Lastly you would take 2/3 and multiply that by 4/4 and the fraction becomes 8/12. Now you can compare the fractions with the same denominator. Therefore 7/12 is greater than 1/3 but less than 2/3
-1 - -1.
-1 + 1.
0.
The answer is 0.
Answer:
Vigil for an hour and two
