Brain Teasers
Mr. Jones
Mr. Jones is 28 years older than his son. In 11 years, he will be 3 times as old as his son. How old is each person now?
Hint
Using algebra will be the easiest way to solve this.Answer
3(x + 11) = x + 28 + 11Mr. Jones: 31; son: 3
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Comments
Woo! I haven't used simultaneous equations in years. It took me couple of goes to remember how. Nice teaser
Easy & fun.
is OK
i messed up. but i felt bad when i saw the answer;it should have been easy...
fun! i love these kinds
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