## Jacks age is three years more than twice the age of his younger brother jimmy if the sum of their ages is at most 18 find the greatest age t

Question

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## Answers ( No )

eg. x is Jack’s age, y is Jimmy’s age

x = 3 + 2y

x + y = 18

Subtitute x with 3 + 2y

x + y = 18

3 + 2y + y = 18

3 + 3y = 18

3y = 18 – 3

3y = 15

y = 15/3

y = 5

Jimmy’s age is 5

5 is the correct answer.

To prove it, subtract 5 from 18 – You’ll get 13.

5 x 2 + 3 = 13.