Sonya, Jill, and Donna run each Monday. Jill ran 6/12 of an hour, and Donna ran 5/12 of an hour. If the girls ran a total of one whole hour, what fraction of an hour did Sonya run?

Correct answer:

S =  1/12 h

Step-by-step explanation:

J=126=21=0.5 h D=1250.4167 h  S+D+J=1=11  h  S=11DJ=1112521=1212125126=121256=121=121 h=0.0833 h

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