|
571 Age |
Name : _________________ |
||
|
Mary is 24 years older than Jerry. 7 years ago, Mary was 7 times as old as Jerry then. How old is Mary? |
Mary is 12 years older than Jerry. 3 years ago, Mary was 7 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 571 11 11 10 10 9 ( 51 ) 5 11 10 7 5 ( 38 ) [[ 89 ]] | ||
|
|
||