lindsay is 5 years younger than mark, seven years ago, the sum of their ages was 31.
Mathematics, 13.12.2019 04:31 anadi8659
Quiz 1
lindsay is 5 years younger than mark, seven years ago, the sum of their ages was 31.
letl be lindsaysage and let m be mark's age.
which system of equations represents this situation?
choose 1
(1=m-5
[(1 – 7) + (m – 7) = 31
(1=m+5
Answers: 1
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Quiz 1
lindsay is 5 years younger than mark, seven years ago, the sum of their ages was 31.
lindsay is 5 years younger than mark, seven years ago, the sum of their ages was 31.
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