Option 1: Carolyn, Julie and Roberta share $77 in a ratio of 4:2:1, respectively. How many dollars did Carolyn receive?
Option 2: The arithmetic mean (or average) of A, B and C is 10. The value of A is six less than the value of B, and the value of C is three more than the value of B. What is the value of C?
Option 3: A ball bounces back up 2/3 of the height from which it falls. If the ball is dropped from a height of 243 cm, after how many bounces does the ball first rise less than 30 cm?
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