Alwyn spends 1 3/4 hours answering his math homework. He also spends 2 1/3 hours doing his homework in English. How much time does he spend doing his homework for these two subjects?

Correct answer:

t =  4 112 = 49/12 h

Step-by-step explanation:

a=143=1+43=41 4+3=44+3=47=1.75 h b=231=2+31=32 3+1=36+1=372.3333 h  t=a+b=47+37=1221+1228=1221+28=1249=1249 h=4121 h=4.0833 h

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