9-10.) if it takes a carpeter 4 days to make 6 chairs,how long will take him to make 27 chairs?
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11-12.) a car travel an average of 70 kilometer per hour .how long will it travel in 2 and one-half hour?
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final answer:
11-12.) a car travel an average of 70 kilometer per hour .how long will it travel in 2 and one-half hour?
solution:
final answer:
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9 -10 18 days 11-12 1 1/2 hours