SOLUTION: Rob is K years old. His brother Jake is 4 years younger than Rob. Which expression represents how old Jake will be in 20 years?

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Question 1068592: Rob is K years old. His brother Jake is 4 years younger than Rob. Which expression represents how old Jake will be in 20 years?
Answer by josgarithmetic(39623) About Me  (Show Source):
You can put this solution on YOUR website!
Rob is K years old. His brother Jake is 4 years younger than Rob.
Jake now:
k-4

Jake in 20 more years:
k-4%2B20
k%2B16