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can you tell me the question you're on? and i'll explain while we work it out :)
well i dont have a question tht uses proportions yet but i just need 2 know how 2 solve them
you should be using cross multiplication to solve them
lol i need an example problem
here hold on
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?
thts the problem im on
4.5ft x (12in/1ft)
basically just multiply 4.5 and 12
yep. so 54 cubic inches
omg thank you so much
no problem :)
that wasn't cross multiplication btw
1ft = 12in. that's why i put 12in/1ft
if you were trying to find how many feet it was, it would be 54in x (1ft/12in)
ohhhh ok tht makes sense
there's a specif name for this kinda setup, i just forgot what it was lol
wait it said tht 54 was wrong
the thing im using says tht 54 isnt the answer
it hsould be...
its either 648 7776 or 3888
oooh i set it up wrong. lawls.
4.5ft^3 x (12in/1ft)^3
so you have to cube 12 first, then multiply that by 4.5
omg thts so many numbers
so its 7776
kk thank you
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.
you should look it up, because it helps me loads :)
ok thank you so much
no problem :)