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Katie completes 2/3 of a craft project in 3/4 of an hour. At this rate, what fraction of the craft project does Katie complete in one hour? Give your answer in fraction form. Enter your answer in the box.

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jushmk
After 3/4 hours, 2/3 of project is done.

After 1 hr, .... project is done.

In other words,
2/3 of project ---- 3/4 hours
?   of project ------ 1 hour
The more Katie works, the more the project nears completion. This is a direct proportionality kind of relationship.

Therefore,
Part of project completed in 1 hour = (2/3*1)/(3/4) = 2/3*4/3 = 8/9

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