Question

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

Answer 1

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