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770 Age |
Name : _________________ |
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Mary is 15 years older than Jerry. 3 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
Mary is 25 years older than Jerry. 3 years ago, Mary was 6 times as old as Jerry then. How old is Mary? |
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( )+ |
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++[[ ]]++ |
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| 770 8 10 5 9 8 ( 40 ) 8 9 8 6 9 ( 40 ) [[ 80 ]] | ||
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