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OpenStudy (anonymous):
OpenStudy (loser66):
you have to show your attempt first
OpenStudy (anonymous):
That's the thing, I don't know where to start, same conversion?
OpenStudy (loser66):
first off, convert the unit, $98/ cubic yard = $98/ how many cubic feet?
OpenStudy (anonymous):
3
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OpenStudy (loser66):
nope, one more hint : 3feet = 1 yard
(1yard)^3 = (3feet)^3 = ???
OpenStudy (anonymous):
9
OpenStudy (loser66):
3^3 = 9?
OpenStudy (anonymous):
27 typo >.>
OpenStudy (loser66):
ok, so we have $98 for 27(feet^3), right?
now $108.89 for...how many feet^3?
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OpenStudy (anonymous):
im not sure D:
OpenStudy (anonymous):
108.89(feet)^3
OpenStudy (anonymous):
?
OpenStudy (loser66):
don't know? 108.89 *27/98
OpenStudy (loser66):
=?
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OpenStudy (anonymous):
30.000306122448979591836734693878
OpenStudy (anonymous):
or 30
OpenStudy (loser66):
= 30
it means : $98 you can built 27 (feet^3) concrete
$108.89 you can built 30 (feet^3) of concrete
got me so far? not done yet
OpenStudy (loser66):
Yes/No?
OpenStudy (anonymous):
yes!
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OpenStudy (loser66):
ok, now the second thing is convert inch to feet
1feet = 12 inches
6inches = ??? feet?
OpenStudy (anonymous):
.5
OpenStudy (loser66):
ok, good
OpenStudy (loser66):
the volume of the concrete is long * width * high
long = 12feet
high = 0.5 feet
width = x feet
so the required concrete is 12*0.5*x = 6x (feet^3) , right?
OpenStudy (loser66):
and combine with the 30 (feet^3) for the cost we pay, we have 6x (feet^3) = 30(feet^3)
so, x =??
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OpenStudy (anonymous):
you lost me D:
OpenStudy (anonymous):
1000?
OpenStudy (loser66):
OpenStudy (loser66):
Do I get you back?
OpenStudy (anonymous):
lemme read it
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OpenStudy (anonymous):
12*.5 = 6
30/6 = 5 ?
OpenStudy (loser66):
yes
OpenStudy (anonymous):
:D TY !! *gives cookie*
OpenStudy (anonymous):
could you look at this one too?
OpenStudy (anonymous):
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OpenStudy (loser66):
you want to study !!that is my happiness .
OpenStudy (anonymous):
:')
OpenStudy (loser66):
nope,
OpenStudy (anonymous):
ah ok :P ty, again :p
OpenStudy (loser66):
how many people have to pay $45 ?
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OpenStudy (anonymous):
+12
OpenStudy (loser66):
among 103 people, not for the age!! :)
OpenStudy (anonymous):
39
OpenStudy (loser66):
how can you have that number?
OpenStudy (loser66):
don't worry, it's correct, I just want you put it into the form we need
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