|
451 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. 4 years ago, Mary was 3 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 451 11 13 9 11 12 ( 56 ) 6 12 7 11 10 ( 46 ) [[ 102 ]] | ||
|
|
||