|
457 Age |
Name : _________________ |
||
|
Mary is 6 years older than Jerry. 8 years ago, Mary was 3 times as old as Jerry then. How old is Mary? |
Mary is 4 years older than Jerry. 3 years ago, Mary was 3 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 457 11 12 8 11 12 ( 54 ) 5 12 7 11 10 ( 45 ) [[ 99 ]] | ||
|
|
||