fgs7600
fgs7600 fgs7600
  • 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 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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