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Hi there! Have questions about your homework? At Brainly, there are 60 million students who want to help each other learn. Questions are usually answered in less than 10 minutes. Try it for yourself by posting a question! :D

Let x be mary age and y be her ssiter age so by 1 stament x=2y and by 2 stament x+5=y+5+2 x-y=2 so by solving eqution we get,2y-y=2 so y=2 and x=4 mary =4yrs sister =2 yrs

Mary is twice older than her sister. In 5 years time, she will be 2 years older than her sister find how old are they both now.

solution : Let present age of Mary's sister = x therefore Present age of Mary = y = 2x After 5 years , Mary's Sisters age = x+5 Mary's age = 2x+5 According to Question , Mary's age = Mary's Sisters age + two years