Mathematics, 01.09.2020 03:01 marrissajade61191
Mark is three times as old as Julie. The sum of their ages is 56. How old is Mark? If J = Julie's age and M = Mark's age, which system of equations could be used to solve the problem? 3J = M and J + M = 56 J = 3M and J + M = 56 J = 3M and JM = 56
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Mark is three times as old as Julie. The sum of their ages is 56. How old is Mark? If J = Julie's ag...
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