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Aishah poured 17 litres of water into 3 containers. Container A had 3 times as much water as Container B. Container C had 2.5 litres of water fewer than Container B. Find the amount of water in Container B in litres.

Aishah poured 17 litres of water into 3 containers. Container A had 3 times as much water as Container B. Container C had 2.5 litres of water fewer than Container B. Find the amount of water in Container B in litres.

 Jun 11, 2024
 #1
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Let's write the number of liters in Bucket A as "a", he amount in Bucket B "b", and the amount in Bucket C "c". We can now write the following equations:

 

\(a + b + c = 17\)

\(a = 3b\)

\(c = b - 2.5\)

 

We can now use subsitution to solve for each of them.

 

\(3b + b + b - 2.5 = 17\)

\(5b = 19.5\)

\(\mathbf{b = 3.9}\)

 

So Bucket B has 3.9 liters.

 Jun 11, 2024

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