|
990 Age |
Name : _________________ |
||
|
Mary is 12 years older than Jerry. 8 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
Mary is 20 years older than Jerry. 5 years ago, Mary was 6 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 990 12 5 9 8 14 ( 48 ) 9 12 13 11 11 ( 56 ) [[ 104 ]] | ||
|
|
||