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Bill can wash a car in 6 minutes Joe can wash the same car in 8 minutes How much time would it take for them to wash that same car working together?
Wiki User
∙ 14y ago
In 1 minute bill washes 1/6 of a car and Joe washes 1/8 of a car. 1/6 + 1/8 = 14/48. A whole care = 48/48. Therefore you should divide 48 by 14 to get 3.429. However since this is in minutes you need to find how much seconds 0.429 of 1 minute is. 0.429 x 60 = 26 seconds (rounded). Add that to the original three minutes and you have 3 minutes 26 sec to wash the entire car working together.
Wiki User
∙ 14y ago
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Janet can shovel snow from her driveway in 45 minutes Bill can do the same job in 65 minutes How long would it take Janet and Bill to shovel the driveway if they worked together?
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Janet can shovel snow from her driveway in 45 minutes Bill can do the same job in 65 minutes How long would it take Janet and Bill to shovel the driveway if they worked together?
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Jill and Kim had lunch together Kim's bill was 3.75 more than Jill's and together their bill was 21.25?
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