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OpenStudy (anonymous):
can 110/19 be reduced
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OpenStudy (anonymous):
No because 19 is not a prime factor of 110
OpenStudy (anonymous):
on one of my answers for the age thing i got r=110/19 but i need a whole number i think i did this wrong too
OpenStudy (anonymous):
my equation that i got was (r-5)-5=20(r-5)
OpenStudy (anonymous):
and when i tryed to solve i got 110/19
OpenStudy (anonymous):
are you sure it shouldnt be \[-5(r-5) = 20 (r-5)\]
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OpenStudy (anonymous):
well the problem says: Gloria is 20 years older than reggie. five years ago, she was five times as old as he was. how old is each now
OpenStudy (anonymous):
The equations you get are g = r+20 g-5 = 5(r-5) =5r-25 Then need to solve these simultaneously ie taking the 2nd - 1st you get -5=4r-45 so 4r=40 r=10 and g=30
OpenStudy (anonymous):
oh i know what i did again shouldnt my first equation be G=R+20
OpenStudy (anonymous):
oh yeah i keep forgetting that part
OpenStudy (anonymous):
20-5 would be 15 right?
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OpenStudy (anonymous):
or is it negative
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