Mathematics, 06.07.2020 02:01 cammiecam49

a brother is 12 years older than his sister. four years ago, the brother was 3 times as old as the sister is now. how old is the broter now? a 12 b 14 c 16 d 18

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a brother is 12 years older than his sister. four years ago, the brother was 3 times as old as the s...

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