|
391 Age |
Name : _________________ |
||
|
Mary is 6 years older than Jerry. 4 years ago, Mary was 3 times as old as Jerry then. How old is Mary? |
Mary is 8 years older than Jerry. 3 years ago, Mary was 3 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 391 7 7 9 8 10 ( 41 ) 7 13 11 9 7 ( 47 ) [[ 88 ]] | ||
|
|
||