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OpenStudy (anonymous):
Brian is 2 years older then Bob who is 7 years older then Mark, Their aged combined is 61, find the age of each person?
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OpenStudy (anonymous):
so let x become mark's age, x+7 become bob's, x+9 become brain's
OpenStudy (anonymous):
x+x+7+x+9=61
OpenStudy (anonymous):
3x+16=61
OpenStudy (anonymous):
x=15
OpenStudy (anonymous):
so mark=15, bob 15+7=22, brain 15+7+2=24
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OpenStudy (anonymous):
great
OpenStudy (anonymous):
thx...
OpenStudy (anonymous):
^^
OpenStudy (anonymous):
thank you
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