2000 AMC 8 Problems/Problem 10
Problem
Ara and Shea were once the same height. Since then Shea has grown 20% while Ara has grown half as many inches as Shea. Shea is now 60 inches tall. How tall, in inches, is Ara now?
Solution
Shea has grown , if x was her original height, then , so she was originally inches tall which is a inch increase. Ara also started off at inches. Since Ara grew half as much as Shea, Ara grew inches. Therefore, Ara is now inches tall which is choice
See Also
2000 AMC 8 (Problems • Answer Key • Resources) | ||
Preceded by Problem 9 |
Followed by Problem 11 | |
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