Mathematics, 04.01.2020 04:31, ttangelique
Rosa can clean a house in 7 hours. when rosa and amy work together, they can clean a house in about 4.2 hours. about how long will it take amy to clean a house if she works by herself?
11 h
10.5 h
10 h
9.5 h
Answers: 1
Mathematics, 21.06.2019 19:20, gameranonymous266
Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long. at what angle is the sun above the horizon at that time?
Answers: 1
Mathematics, 21.06.2019 22:00, huangjianhe135
The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.
Answers: 1
Rosa can clean a house in 7 hours. when rosa and amy work together, they can clean a house in about...
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