|
544 Age |
Name : _________________ |
||
|
Mary is 8 years older than Jerry. 7 years ago, Mary was 3 times as old as Jerry then. How old is Mary? |
Mary is 12 years older than Jerry. 5 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 544 11 10 14 8 11 ( 54 ) 9 13 10 12 11 ( 55 ) [[ 109 ]] | ||
|
|
||