nightkat2002 nightkat2002

17-06-2020
Mathematics

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Mary is 2 and 1/2 times as old as Jane. In 30 years' time, the sum of their ages will be 95 years. How old is Mary now?

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fountainoflife333 fountainoflife333

17-06-2020

Answer:

Step-by step explanation:

Trial and error.

Start with 30 because of the additional 30 years.

95-30= 75

75/ 2.5 = 30

So Mary is 30

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