Asked by Jeanene
Bob is 5 years older than his brother Kevin. the sum of their ages is 17 how old is bob?
Answers
Answered by
AJ L
Let's call Bob the letter B and Kevin the letter K:
B=K+5 (since Bob is 5 years older than Kevin)
B+K=17 (the sum of their ages combined is 17)
Since we have a value for B, we can substitute that into the equation B+K=17.
(K+5)+K=17
2K+5=17
2K=12
K=6
So since Kevin is 6 years old, this means that Bob is 6+5=11 years old.
B=K+5 (since Bob is 5 years older than Kevin)
B+K=17 (the sum of their ages combined is 17)
Since we have a value for B, we can substitute that into the equation B+K=17.
(K+5)+K=17
2K+5=17
2K=12
K=6
So since Kevin is 6 years old, this means that Bob is 6+5=11 years old.
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