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2013_MATHCOUNTS_Chapter_Target_Round

发布时间:2013-12-22 14:41:31  

5.??_____________Ray’s??age??is??half??his??sister’s??age,??and??his??age??is??the??square??root??of??one-third??their??grandfather’s??age.??In??5??years,??Ray??will??be??two-thirds??as??old??as??his??sister??will??be??then.??What??is??the??ratio??of??Ray’s??sister’s??age??to??their??grandfather’s??age??right??now?????Express??your??answer??as??a??common??fraction.

6.??_____________Alex??added??the??page??numbers??of??a??book??together??and??got??a??total??of??888.??Unfortunately,??he??didn’t??notice??that??one??of??the??sheets??of??the??book??was??missing??with??an??odd??page??number??on??the??front??and??an??even??page??number??on??the??back.??What??was??the??page??number??on??the??final??page??in??the??book???

Copyright MATHCOUNTS, Inc. 2012. All rights reserved. 2013 Chapter Target Round

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