craighuntehunte craighuntehunte

05-03-2020
Mathematics

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Michael is three times as old as Brandon. 18 years ago Michael was 9 times as old than Brandon. How old is Michael now?

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tolaosunrinde tolaosunrinde

05-03-2020

Answer: Micheal is 72 years old

Step-by-step explanation:

If Brandon is b, Michael is 3b; thus

3b-18=9(b-18)

3b-18=9b-162

6b=144

b=24

3b=72

b= 72/3 = 34

If Brandon is 24,

Michael is 3b= 3×24= 72.

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