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170-P1-2

1. It took Ann’s family 1 hour and 20 minutes to go to Ann’s
grandmother’s house. It was 2:50 when they arrived. When did
Ann’s family leave the house to go to the grandmother’s house?

2. Ryan’s record in the marathon competition was 2 hours and 5
minutes, and he crossed the finish line at 3:00. When did Ryan
start the marathon?
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