|
897 Age |
Name : _________________ |
||
|
Mary is 18 years older than Jerry. 7 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
Mary is 18 years older than Jerry. 3 years ago, Mary was 7 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 897 13 7 9 7 6 ( 42 ) 6 12 7 6 11 ( 42 ) [[ 84 ]] | ||
|
|
||