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Mrrafil [7]
3 years ago
6

it took 8 hours for karl and lou to finish a project for science class together. if karl had worked alone on the project it woul

d have taken him 10 hours. how long would it have taken lou to complete the project by himself.
Mathematics
1 answer:
kkurt [141]3 years ago
4 0
It would take 10 hours just like it did for Karl .
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50% of what number is 307
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Answer:

614

Step-by-step explanation:

Let the number be x.

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x = 614

50% of 614 is 307.

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8 0
3 years ago
My question is
Eduardwww [97]
So 2 gallons every 5 minutes
2/5= .4
so .4 a minute
and you already have 5 gallons in so those need to be added
m=minutes
y=0.4m + 5 will be what you want to find out if you are looking to find out how much will be there in a certain time
for 50 minutes you will have
y=0.4(50) +5 
20+5
25 gallons
HOWEVER, the equation has to be changed if you want to tell how long you have to wait for it to fill.
m=2.5(g-5)
m=minutes
g= gallons
you subtract 5 because they are already there
you multiply by 2.5 because it fills at a rate of 1 gallon every 2.5 minutes.
m=2.5(1500-5)
for the sake of it being easier i will do the -5 separately
2.5(1500 = 3750
2.5(-5= -12.5
3750-12.5
3737.5 minutes to fill the pool.
3720/60 = 62
17.5/60 = .292
62.292 hours to fill the pool.
p.s. you have a really slow hose.
Its good you didn't wait for it to fill, you would have died from lack of water before then if you just sat and waited. 

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3 0
3 years ago
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