|
155 Age |
Name : _________________ |
||
|
Mary is 6 years older than Jerry. 4 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
Mary is 9 years older than Jerry. 6 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 155 6 8 11 10 11 ( 46 ) 9 5 9 11 6 ( 40 ) [[ 86 ]] | ||
|
|
||