Mathematics, 22.07.2020 22:01 fanta47
Jane and Bill are cleaning up a park. If she had to clean up the park herself, it would take Jane six hours to complete the job. If Bill alone were to clean the park, it would take him three hours. Working together, how long will it take Jane and Bill to clean the park?
Answers: 3
Mathematics, 21.06.2019 17:50
On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.
Answers: 2
Mathematics, 22.06.2019 01:10
Do xuan nam isgoing to invest $1000 at a simple interest rate of 4% how long will it take for the investment to be worth $1040?
Answers: 1
Mathematics, 22.06.2019 01:30
The winner of a golf tournament made five putts for birdies. the lengths of these putts are in the table shown. what is the total distance of the putts in the yards, feet, and inches?
Answers: 1
Jane and Bill are cleaning up a park. If she had to clean up the park herself, it would take Jane si...
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