|
420 Age |
Name : _________________ |
||
|
Mary is 9 years older than Jerry. 6 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
Mary is 25 years older than Jerry. 8 years ago, Mary was 6 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 420 9 8 9 8 8 ( 42 ) 13 8 6 5 14 ( 46 ) [[ 88 ]] | ||
|
|
||