The mall

Pia spent 1 9/12 hours in her grandparents' house. This time was 8/12 of an hour more than the time she spent at the mall. How much time did she spend at the mall?

Correct answer:

m =  1 112 = 13/12 h

Step-by-step explanation:

h=1129=1+129=121 12+9=1212+9=1221=47=1.75 h  h = 128 + m  m=h128=47128=1221128=12218=1213=1213 h=1121 h=1.0833 h

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