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20-12-2017
Mathematics

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Mark is 15 years younger than Ashley. The sum of their ages is 55. What is a system if equations to find their ages?

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tanwanwizp170x9 tanwanwizp170x9

20-12-2017

you cut 55 in half, equal 25. then you minus 25 and 15, you'll get 10 witch is marks age. Then you take 25 plus 15, you will get 40 with is Ashley's age.

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