|
121 Age |
Name : _________________ |
||
|
Mary is 10 years older than Jerry. 7 years ago, Mary was 6 times as old as Jerry then. How old is Mary? |
Mary is 12 years older than Jerry. 4 years ago, Mary was 7 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 121 9 10 7 7 11 ( 44 ) 6 8 7 10 8 ( 39 ) [[ 83 ]] | ||
|
|
||