ela099
it takes 5 hrs for 6 cooks to prepare food , how long will it take 7 cooks to prepare food?
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GregTheo
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this is a proportion.
5/6 = x/7
x= 35/6
ela099
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How much is 35/6 in hours ?
GregTheo
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5.83333333333 Hrs
GregTheo
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or 5 hours and 50 min
ela099
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Thanks
Hero
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So it's going to take more time for seven cooks?
Hero
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It only took five hours for six cooks, but it's going to take almost 6 hours for seven cooks? How does that make sense?
Hero
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@GregTheo
GregTheo
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oh yeah... misread the question
ela099
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$5400 is invested. at 11% and 7%. whats 11% of 5400?
whats 7% of 5400?
Hero
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@elo099, what about the question about the cooks?
ela099
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oh, um ... idk
GregTheo
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5 hrs at 6 cooks is 30 cook hours.
if 7 cooks work then 30/7 is the number of hours
KNicksfan4life
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OK
So this can be a little difficult to understand -- so let's show it this way:
If 6 cooks do it on 5 hours, how long would it take 1 cook?
5 hours = time for one cook / 6 cooks
30 = time for one cook
So if it takes 1 cook 30 hours, how long would it take 8 cooks:
30 hours for 1 cook / 8 cooks = 3.75 hours or 3 hours and 45 minutes.
Hope this explanation is helpful.
niravshah08
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I think its inverse variation, since if you have more cooks it takes less time.
5 = k/6
k = 30
x = 30/7 = 4.28
Hero
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^ What @niravshah08 said
niravshah08
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@KNicksfan4life you copy pasted it wrong :P
ela099
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So r all of you guys hella smart in math???
niravshah08
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you answer will be 4 hrs 17 mins
niravshah08
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Please post new questions separately
KNicksfan4life
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594
KNicksfan4life
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ok?
ela099
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Yes, Thanks