|
341 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 8 years older than Jerry. 4 years ago, Mary was 3 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 341 9 8 9 12 11 ( 49 ) 8 8 6 9 12 ( 43 ) [[ 92 ]] | ||
|
|
||