kristalstal kristalstal

17-11-2014
English

Answered

jacob used 1/7 of liter of water to fill 1/9 of the fish aquarium. how many liters of water are needed to fill the aquarium

Verified Answer :

macio06 macio06

17-11-2014

To find the result we can use proportion

\(\frac{1}{7} --------------- \frac{1}{9} \\ x ---------------1\)

Now we have crossmultiply, so
\(\frac{1}{7}*1= \frac{1}{9} *x\) /*9 (multiply both sides by 9)
\(\frac{9}{7}=x\) - its the result

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