A mixture contains milk and water in the ratio of 9:4. On adding 4litres of water, the ratio of milk to water becomes 3:2. Find the total quantity of the original mixture.
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total quantity is 26 l
Step-by-step explanation:
milk='m' litres(l)
water='w' litres(l)
m/w=9/4
4m=9w == 4m-9w=0 _(1)
m/w+4=3/2
2m=3w+12
2m-3w=12 _(2)
(2) *3
6m-9w=36 _(3)
(3) - (1)
2m=36 m=18l
substituting m's value in any equation we get w=8l
Therefore total quantity =26 litres
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