Mathematics, 02.01.2020 18:31, lllleklfkhlsdf1201

Mark’s father is 55. this is 15 years older than twice mark's age. how old is mark? explain the method used for solving the problem. include a restatement of the problem, the steps you used to solve the problem, the answer, and an explanation of how you know the answer is correct.

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Mark’s father is 55. this is 15 years older than twice mark's age. how old is mark? explain the met...