Question 956989
Let B=Bobby's age
How old is Bobby if, in 4 years (B+4yrs) , he will be 3 times as old as he is today? (3B)"
B+4yrs=3B Subtract B from each side.
4yrs=2B Divide each side by 2
2 yrs=B ANSWER: Bobby is 2 years old
CHECK:
3B=B+4yrs
3(2yrs)=2+4yrs
6yrs=6yrs