Mathematics
chrisjimenez
4

Jim is 2 years older than 3 times his little brother, Tommy. Together their ages add up to 18. How old are they both?

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(1) Answers
Natasya

1. "Jim is 2 years older than 3 times his little brother, Tommy." J = 2 + 3T "Together, their ages add up to 18." J + T = 18 J = 18 - T, so 18 - T = 2 + 3T 4T = 16 T = 4, J = 14 (which is 2 more than 3 * T)

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