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11-01-2018
Mathematics

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Julio's age is 3 times Sally's age plus 2. Sally's age is Julio's age minus 14 what is the difference in their ages?
A.14
B.6
C.20
D.26

Respuesta :

texaschic101 texaschic101

11-01-2018

J = 3S + 2
S = J - 14

S = 3S + 2 - 14
S - 3S = 2 - 14
-2S = - 12
S = -12/-2
S = 6

J = 3S + 2
J = 3(6) + 2
J = 18 + 2
J = 20

and the difference is : 20 - 6 = 14 <===

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