Rose spends

Rose spends 2 1/3 hours studying Math, 1 3/4 hours studying English, and 2 1/4 hours studying Science. Find her average time studying the three subjects.

Correct result:

m =  2.1111 h


a=213=2 3+13=732.3333 h b=134=1 4+34=74=1.75 h c=214=2 4+14=94=2.25 h  m=a+b+c3=2.3333+1.75+2.253=199=2.1111 h

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