Mathematics, 30.07.2019 17:50 arielmajesty9107

Mark is 15 years younger than ashley. the sum of their ages is 55. write a set of equations to determine mark (m) age and ashley (a) age. i need to write this as a set of equations (2 equations) with 2 variables (m and a), but it only gives me the numbers 55 and 15 and i don't know how to write it. !

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Mark is 15 years younger than ashley. the sum of their ages is 55. write a set of equations to deter...

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