|
919 Age |
Name : _________________ |
||
|
Mary is 12 years older than Jerry. 7 years ago, Mary was 3 times as old as Jerry then. How old is Mary? |
Mary is 15 years older than Jerry. 3 years ago, Mary was 6 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 919 13 11 8 11 6 ( 49 ) 6 12 13 10 10 ( 51 ) [[ 100 ]] | ||
|
|
||