|
167 Age |
Name : _________________ |
||
|
Mary is 12 years older than Jerry. 5 years ago, Mary was 3 times as old as Jerry then. How old is Mary? |
Mary is 9 years older than Jerry. 4 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 167 11 13 8 7 7 ( 46 ) 7 7 9 6 9 ( 38 ) [[ 84 ]] | ||
|
|
||