|
285 Age |
Name : _________________ |
||
|
Mary is 6 years older than Jerry. 7 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
Mary is 25 years older than Jerry. 4 years ago, Mary was 6 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 285 9 9 10 8 8 ( 44 ) 9 9 13 6 8 ( 45 ) [[ 89 ]] | ||
|
|
||