Jacob has the faster time because if you make the fractions equal you would make the denominators equal by rounding 3/4 to have a denominator of 12 making it 9/12 which is larger then 5/12 making Daniel's time slower then Jacob's.
Answer:
I would need to see the problem.
What is the question, are we supposed to find the value of "u"? If so, than u is equal to 6 6/7.