bakonloverk
  • bakonloverk
can some one plz explain how 2 solve proportion plz?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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AriPotta
  • AriPotta
can you tell me the question you're on? and i'll explain while we work it out :)
bakonloverk
  • bakonloverk
well i dont have a question tht uses proportions yet but i just need 2 know how 2 solve them
AriPotta
  • AriPotta
you should be using cross multiplication to solve them

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bakonloverk
  • bakonloverk
example plz
AriPotta
  • AriPotta
lol i need an example problem
bakonloverk
  • bakonloverk
here hold on
AriPotta
  • AriPotta
mmk
bakonloverk
  • bakonloverk
Hadria bought a storage trunk to place at the end of her bed that has a volume of 4.5 cubic feet. What is the volume of the storage trunk in cubic inches?
bakonloverk
  • bakonloverk
thts the problem im on
AriPotta
  • AriPotta
4.5ft x (12in/1ft)
AriPotta
  • AriPotta
basically just multiply 4.5 and 12
bakonloverk
  • bakonloverk
54
AriPotta
  • AriPotta
yep. so 54 cubic inches
bakonloverk
  • bakonloverk
omg thank you so much
AriPotta
  • AriPotta
no problem :)
AriPotta
  • AriPotta
that wasn't cross multiplication btw
bakonloverk
  • bakonloverk
oh ok
AriPotta
  • AriPotta
1ft = 12in. that's why i put 12in/1ft
bakonloverk
  • bakonloverk
ohhhhhh
AriPotta
  • AriPotta
if you were trying to find how many feet it was, it would be 54in x (1ft/12in)
bakonloverk
  • bakonloverk
ohhhh ok tht makes sense
AriPotta
  • AriPotta
there's a specif name for this kinda setup, i just forgot what it was lol
AriPotta
  • AriPotta
specific*
bakonloverk
  • bakonloverk
wait it said tht 54 was wrong
AriPotta
  • AriPotta
wat
bakonloverk
  • bakonloverk
the thing im using says tht 54 isnt the answer
AriPotta
  • AriPotta
it hsould be...
AriPotta
  • AriPotta
should*
bakonloverk
  • bakonloverk
its either 648 7776 or 3888
AriPotta
  • AriPotta
oooh i set it up wrong. lawls.
bakonloverk
  • bakonloverk
lol
AriPotta
  • AriPotta
4.5ft^3 x (12in/1ft)^3
AriPotta
  • AriPotta
so you have to cube 12 first, then multiply that by 4.5
bakonloverk
  • bakonloverk
omg thts so many numbers
bakonloverk
  • bakonloverk
so its 7776
AriPotta
  • AriPotta
wait
AriPotta
  • AriPotta
yea
bakonloverk
  • bakonloverk
kk thank you
AriPotta
  • AriPotta
and the setup is called dimensional analysis. Dimensional Analysis: A problem-solving method used in physics, chemistry, engineering, and mathematics that is based on treating units in calculations as algebraic factors or fractions.
AriPotta
  • AriPotta
you should look it up, because it helps me loads :)
bakonloverk
  • bakonloverk
ok thank you so much
AriPotta
  • AriPotta
no problem :)

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