How many balls?
Glenn and Jason each have a collection of cricket balls. Glenn said that if Jason would give him 4 of his balls they would have an equal number; but, if Glenn would give Jason 4 of his balls, Jason would have 3 times as many balls as Glenn.
How many balls does Jason have?
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Jason has 20 balls and Glenn has 12 balls. If Jason would give Glenn 4 balls, they would have an equal number [i.e., 16 balls each]. If Glenn would give Jason 4 balls, then Jason would have 24 balls and Glenn would have 8 balls. Thus, Jason would have 3 times as many balls as Glenn.
Take from the pack the thirteen cards forming the suit of diamonds and arrange them in this order face downwards with the 3 at the top and 5 at the bottom: 3, 8, 7, Ace, Queen, 6, 4, 2, Jack, King, 10, 9, 5. Now play them out in a row on the table in this way. As you...