2000 AMC 8 Problems/Problem 10
Shea grows 20%, so she was originally 60/1.2=50 inches tall which is a 10 inch increase. Since Ara grew half as much as Shea, Ara grew 5 inches therefore Ara is now 50+5=55 inches tall which is choice E.
Shea grows 20%, so she was originally 60/1.2=50 inches tall which is a 10 inch increase. Since Ara grew half as much as Shea, Ara grew 5 inches therefore Ara is now 50+5=55 inches tall which is choice E.
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