|
460 Age |
Name : _________________ |
||
|
Mary is 12 years older than Jerry. 8 years ago, Mary was 5 times as old as Jerry then. How old is Mary? |
Mary is 12 years older than Jerry. 3 years ago, Mary was 3 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 460 11 11 12 9 9 ( 52 ) 9 10 10 9 13 ( 51 ) [[ 103 ]] | ||
|
|
||