2000 AMC 8 竞赛试题/第10题
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?
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Solution
Shea has grown
, 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 ![]()
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