|
209 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 10 years older than Jerry. 7 years ago, Mary was 6 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 209 10 9 11 9 9 ( 48 ) 9 9 9 8 11 ( 46 ) [[ 94 ]] | ||
|
|
||