I'm posting one puzzle, riddle, math, or statistical problem a day. Try to answer each one and post your answers in the comments section. I'll post the answer the next day. Even if you have the same answer as someone else, feel free to put up your answer, too!
Friday, April 14, 2006
Harder than it looks
If you divide thirty by a half and add ten , what would the answer be? . . . BTW, it's going to be a busy weekend, so I don't think I'll have any other questions this weekend.
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if "by a half" you mean .5 then it would end up being 70
ReplyDeleteYup..
ReplyDeleteThe answer is 70
70
ReplyDeleteSeventy. When dividing by fractions, you must multiply by the reciprocal. Or if you went to a calculator. (30 / .5) = 60 + 10 = 70
ReplyDeleteBut you already knew that!