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David ran the 50 yard dash in 7.2 seconds and won the event.Justin came in the second with a time of 8.1 seconds.How much better was David's time than Justin's?
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David ran the 50 yard dash in 7.2 seconds and won the event.Justin came in the second with a time of 8.1 seconds.How much better was David's time than Justin's?

User Matskn
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7 votes
.9 seconds. . .......
User Fabien
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