|
193 Age |
Name : _________________ |
||
|
Mary is 4 years older than Jerry. 7 years ago, Mary was 3 times as old as Jerry then. How old is Mary? |
Mary is 10 years older than Jerry. 3 years ago, Mary was 3 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 193 9 13 9 12 12 ( 55 ) 8 14 12 11 14 ( 59 ) [[ 114 ]] | ||
|
|
||