deanlmartin
02.07.2019 •
Mathematics
Michael is 121212 years older than brandon. seventeen years ago, michael was 444 times as old as brandon. how old is michael now?
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Ответ:
Let Brandon's age be = b years
Let Michael's age be = m years
As Michael is 12 years older than Brandon, Michael's age, so
Seventeen years ago, Michael was 4 times as old as Brandon, so
Substitute m=b+12
Hence, Brandon's age is 21 years
As m=b+12
Hence, Michael's age is 33 years.
Ответ: