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One type of liquid contains 20% water...

One type of liquid contains 20% water and the second type of liquid contains 35% of water. A glass is filled with 10 parts of first liquid and 4 parts of second liquid. The percentage of water in the new mixture in the glass is `20 %` b. `24 2/7%` c. `37 %\ ` d. `40 %\ `

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