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One number is 3 less than twice another number. The product of the two numbers is 5. Find the numbers.

If a number is added to its square, the sum is 156. Find the number.

My kids tend to lose cards quite often but we still play some games. For example: We have assembled quite a pile of cards and are playing a game in which all the cards are dealt out before playing. We discovered: If two people are playing-1 card will be left, 3...