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Krissa drove to her grandmother s house for a weekend visit. She averaged 4 0 mph driving there on Friday. As she returned home on

Krissa drove to her grandmother

s house for a weekend visit. She averaged

40

mph driving

there on Friday. As she returned home on Sunday, traffic was lighter, so she was able to

average

48

mph

,

and her driving time was

1

hr less. What is the distance between Krissa

home and that of her grandmother?

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