3 years ago

Michael is 4 4 times as old as Brandon and is also 2 7 27 years older than Brandon. How old is Michael?

1 answer:

3 0

X=mike age
y = bran age
---
x = 4y
x = y + 27
---
put the system of linear equations into standard form
---
x - 4y = 0
x - y = 27

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