Xxcool12 Xxcool12

06-06-2020
Mathematics

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Please answer correctly !!!!!!!!!! Will mark brainliest !!!!!!!!!!!!

Please answer correctly Will mark brainliest class=

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osikbro osikbro

06-06-2020

Answer:

11.5 years old

Step-by-step explanation:

Let's call Michael's current age m, and Brandon's current age b.

m=3b

m-18=9(b-9)

Substituting:

3b-18=9(b-9)

3b-18=9b-81

6b=63

b=11.5

Hope this helps!

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