book Maths Puzzle Numerical Ability

help!? Here is the word problem....
Mrs. A is 2 yrs less than 4 times as old as her daughter. In 6 years daughter
will be three-eights as old as her mother. How old is each one

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book Other Question

4y^3(-3xy) A chemist has 344 liters of 12 percent sulfuric acid solution. How much pure sulfuric acid (in liters) must be added to have 14 percent solution? Put the unit L for liter after your answer.