nick09torreshi nick09torreshi

17-11-2016
Mathematics

contestada

Justin is 2 years older than one-third Marissa's age Amy is 4 years older than two times Justin's age then find Justin's age and Amy's age of course it is 63 years old

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madelynguarin madelynguarin

17-11-2016

Yes I am pretty sure

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Smilefied Smilefied

17-11-2016

Justin=j
Marissa=m
Amy=a

j=2+1/3m
a=4+2j
a=63

63=4+2(2+1/3m)
63=4+4+2/3m
55=2/3m
(55)3=(2/3m)3
165=2m
82.5=m
63=4+4+2/3(82.5)
63=8+55
63=63

j=2+2/3(82.5)
j=2+55
j=57
57=2+2/3(82.5)
57=57

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