The following system of equations may be used to solve the problem: ([email protected]=15). Substituting 2b for s, in the second equation, gives: 2b -b 15, where b = 15. The younger brother is 15 years old.
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0 20
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The following system of equations may be used to solve the problem: ([email protected]=15). Substituting 2b for s, in the second equation, gives: 2b -b 15, where b = 15. The younger brother is 15 years old.![\: \:](https://tex.z-dn.net/?f=%20%5C%3A%20)
Answer:
0 20
hope it help you or answered your questions