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Mathematics 18 Online
OpenStudy (anonymous):

Kari has decreased her running time by thirty seconds per mile. If she runs 3 miles, which integer represents how her new time compares with her old time? negative ninety negative ten ten ninety

OpenStudy (anonymous):

@shamil98

OpenStudy (shamil98):

Well what is 3 x -30? she decreases by 30 seconds per mile. so it's a -30.

OpenStudy (anonymous):

it gives me this for answers negative ninety negative ten ten ninety

OpenStudy (anonymous):

@austinL

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