Mary told her daughter, "Seven years ago...

Mary told her daughter, "Seven years ago, I was seven times as old as you were then. Also, three years from now, I shall be three times as old as you will be." Find the present age of Mary and her daughter.

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BEYOND PUBLICATION-PAIR OF LINEAR EQUATIONS IN TWO VARIABLES-EXERCISE

Mary told her daughter, "Seven years ago, I was seven times as old as ...
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By comparing the ratios (a1)/(a2),(b1)/(b2),(c1)/(c2), find out whethe...
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By comparing the ratios (a1)/(a2),(b1)/(b2),(c1)/(c2), find out whethe...
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By comparing the ratios (a1)/(a2),(b1)/(b2),(c1)/(c2), find out whethe...
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By comparing the ratios (a1)/(a2),(b1)/(b2),(c1)/(c2), find out whethe...
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By comparing the ratios a1/a2,b1/b2,c1/c2 and without drawing graphs, ...
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By comparing the ratios a1/a2,b1/b2,c1/c2 and without drawing graphs, ...
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By comparing the ratios a1/a2,b1/b2,c1/c2 and without drawing graphs, ...
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Check whether the following equations are consistent or inconsistent. ...
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Check whether the following equations are consistent or inconsistent. ...
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Check whether the following equations are consistent or inconsistent. ...
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