|
279 Age |
Name : _________________ |
||
|
Mary is 12 years older than Jerry. 6 years ago, Mary was 7 times as old as Jerry then. How old is Mary? |
Mary is 8 years older than Jerry. 8 years ago, Mary was 3 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 279 8 14 7 11 9 ( 49 ) 12 11 8 7 9 ( 47 ) [[ 96 ]] | ||
|
|
||