|
906 Age |
Name : _________________ |
||
|
Mary is 12 years older than Jerry. 4 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
Mary is 24 years older than Jerry. 3 years ago, Mary was 7 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 906 8 8 10 8 8 ( 42 ) 7 8 10 13 11 ( 49 ) [[ 91 ]] | ||
|
|
||