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A glass has a capacity of 2/5 litre. A flask has a capacity of 3 litres. How many glasses of water are needed to fill the empty flask completely? ​
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A glass has a capacity of 2/5 litre. A flask has a capacity of 3 litres. How many glasses of water are needed to fill the empty flask completely? ​

User Kveld Ulf
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So, let’s say x=number of glasses of water, in that case 2/5x=3, you multiply 5 to both sides so the 5 on the denominator cancels giving us 2x=15, dividing by 2 gives us x=15/2 which is 7.5
User Fred Thomas
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