|
535 Age |
Name : _________________ |
||
|
Mary is 8 years older than Jerry. 7 years ago, Mary was 3 times as old as Jerry then. How old is Mary? |
Mary is 4 years older than Jerry. 7 years ago, Mary was 3 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 535 11 11 12 10 9 ( 53 ) 9 11 10 14 5 ( 49 ) [[ 102 ]] | ||
|
|
||