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7/9=?/54
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use cross multiplication
do you know what that is?
if not multiply 7 by 54 and 9 by x
so you have 54(7)=9x
simplify from there
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the answer is 42
there is also another way to solve this
\[{7\over9}={?\over54}\]lets say the \(?\) is \(x\):\[{7\over9}={x\over54}\]now multiply the numerator of each by the denominator of the other:\[7\times 54=9\times x\]simplify\[378=9x\]divide by 9:\[x=42\]hope thats helpful! :)
from the beginning you can simplify 7/9 to .777777777778 :) then multiply that by 54
ill give you best response yumyum :)
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oh cool thanks! :D
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