3 years ago

Michael is 3 times as old as Brandon. 18 years ago, Michael was 9 times as old as Brandon

Mathematics

1 answer:

Artemon [7]3 years ago

8 0

Answer:

M=72

Step-by-step explanation:

M=3B M-18=9(B-18)/M-18=9B-162

M-18=9B-162

-M=-18

-18=6B-162

6B=144

B=24

M=3B

M=72

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