|
765 Age |
Name : _________________ |
||
|
Mary is 25 years older than Jerry. 8 years ago, Mary was 6 times as old as Jerry then. How old is Mary? |
Mary is 6 years older than Jerry. 7 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 765 13 6 9 6 12 ( 46 ) 9 7 7 12 12 ( 47 ) [[ 93 ]] | ||
|
|
||