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644 Age |
Name : _________________ |
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Mary is 12 years older than Jerry. 8 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
Mary is 15 years older than Jerry. 7 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
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| 644 12 7 8 8 7 ( 42 ) 12 13 6 10 7 ( 48 ) [[ 90 ]] | ||
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