Mathematics
Mathematics, 03.02.2020 10:56, bcox32314

Nina is 10 years younger than deepak. deepak is 3 times as old as nina. which system of equations can be used to find d, deepak's age, and n, nina's age? d = n + 10 d = 3n
d = n − 10 d = 3n
d = n + 10 n = 3d
d = n − 10 n = 3d

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