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Juan takes 15 hours to do a job that his father can do in 6 hours. If juan works for 4.5 hours before his father joins him, how long will it take the two of them working together to finish the job?
asked
Nov 6, 2015
Mathematics
high-school
1
answer
4
votes
107k
views
Which of the following was NOT a motive for imperialism in the nineteenth century? A.) to expand the territory of Western nations B.) to set up new opportunities for investment C.) to "civilize" the rest
asked
Mar 13, 2015
History
high-school
2
answers
3
votes
223k
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