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17-09-2016
Mathematics

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sally is 2 years older than three times jim’s age. jim is 4 years old

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dasetka dasetka

17-09-2016

S = Sally's age
J = Jim's age

S = 2 + 3j Plug in 4 for j
S = 2 + 3(4) Multiply
S = 2 + 12 Add
S = 14

Sally is 14 years old.

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