Answer:
D. 3 1/12
Explanation:

<u>convert into improper fraction</u>

<u>make the denominators same. 12 is the common factor of both 3 and 4</u>

<u>simplify</u>

<u>join both fraction</u>

<u>simplify</u>

<u>convert into mixed fraction</u>

Answer:
A. (2,0),(5,3)
Step-by-step explanation:
I graphed it.
Answer:
Cindy's time is 2 2/4
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Barbra has the fasts time
diffrins is 3/10
Step-by-step explanation: