|
346 Age |
Name : _________________ |
||
|
Mary is 4 years older than Jerry. 8 years ago, Mary was 3 times as old as Jerry then. How old is Mary? |
Mary is 12 years older than Jerry. 7 years ago, Mary was 3 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 346 10 10 11 10 13 ( 54 ) 13 9 8 11 8 ( 49 ) [[ 103 ]] | ||
|
|
||