|
423 Age |
Name : _________________ |
||
|
Mary is 6 years older than Jerry. 8 years ago, Mary was 3 times as old as Jerry then. How old is Mary? |
Mary is 6 years older than Jerry. 3 years ago, Mary was 3 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 423 11 6 8 10 10 ( 45 ) 6 6 10 8 10 ( 40 ) [[ 85 ]] | ||
|
|
||