|
466 Age |
Name : _________________ |
||
|
Mary is 9 years older than Jerry. 5 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
Mary is 18 years older than Jerry. 4 years ago, Mary was 7 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 466 8 14 5 9 7 ( 43 ) 7 9 11 7 6 ( 40 ) [[ 83 ]] | ||
|
|
||