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Mathematics 7 Online
OpenStudy (anonymous):

***Help***Will Medal!!!****

OpenStudy (anonymous):

My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120 years. Can you tell me my age in years ?

OpenStudy (anonymous):

@welshfella @triciaal

OpenStudy (anonymous):

@nuttyliaczar

OpenStudy (triciaal):

@welshfella

OpenStudy (anonymous):

lol

OpenStudy (nuttyliaczar):

Well we know from that first fact that the son is 7 times older than the grandson, and the grandfather/mother is 12 times as old as his grandson.

OpenStudy (nuttyliaczar):

You can set up a system of equations to relate all these facts

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