How much did each have?
High finance in the kindergarten: Sheree and Tyler’s play-store was doing well. Sheree, the more successful shopkeeper, had 75¢ in play money plus 75 percent of what Tyler had. The poor unsuccessful salesman had 50¢ in play money plus half of what Sheree had. How much did each have?
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Sheree had $1.80 in play money, and Tyler had $1.40.
The engineering department was arranging for a rather expensive catered lunch to bid farewell to their retiring colleague. They calculated that it would cost each person $30. One good mathematician remarked, "It's lucky that there aren't five fewer of us to split the...