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受欢迎的 Word Problems >

This year, Benny is 12 years old. His brother, David, is 21 years old. What percent of Benny's age is David's age? Use a visual model to show your work.

解答

T hi s ye a r, B e nn y i s 12 ye a rs o l d . H i s b ro t h er, D a v i d, i s 21 ye a rs o l d . Wha t p erce n t o f B e nn y^{'} s a g e i s D a v i d^{'} s a g e ? U se a v i s u a l m o d e l t o s h o w yo u r w or k .

解答

Benny^{'} s age is : 12

David^{'} s age is : 21

求解步骤

Benny : 12

David : 21

Benny^{'} s age is : 12

David^{'} s age is : 21

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