SOLUTION: Ike’s age is three years more than twice his younger brother’s age. If the sum of their ages is at most 18, then find: (a) the greatest age that Ike’s brother could be. (b) an i

Algebra ->  Algebra  -> Inequalities -> SOLUTION: Ike’s age is three years more than twice his younger brother’s age. If the sum of their ages is at most 18, then find: (a) the greatest age that Ike’s brother could be. (b) an i      Log On

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Question 204875: Ike’s age is three years more than twice his younger brother’s age. If the sum of their ages is at most 18, then find:
(a) the greatest age that Ike’s brother could be.
(b) an inequality that represents all possible values of Ike’s age (allowing for fractional years), given that his younger brother is at least 2 years old.

Answer by rfer(10417) About Me  (Show Source):
You can put this solution on YOUR website!
a)
brother=b
ike=2b+3
b+(2b+3)=18
3b+3=18
3b=15
b=5