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denpristay [2]
3 years ago
13

Jacob uses 5/6 of a liter of water to fill 4/7 of the fish aquarium. how many liters of water are needed to fill the aquarium?

Mathematics
1 answer:
Rom4ik [11]3 years ago
7 0
1 - 4 / 7 = 3 / 7  ( It means that it is 3 / 7 of the aquarium left to fill with water )
5 / 6 L ------ 4 / 7
  x L --------- 3 / 7
5 / 6 : x = 4/7  : 3/7
5 / 6 : x = 4 : 3
4 x = 3 * 5/6
4 x = 15/6
x = 15/6  : 4
x = 5/2 : 4 = 5/8 L
Answer:
Jacob needs 5/8 L more to fill the aquarium,
or 5/6 + 5/8 = 35/24 L ( in total ).  
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