|
523 Age |
Name : _________________ |
||
|
Mary is 18 years older than Jerry. 6 years ago, Mary was 7 times as old as Jerry then. How old is Mary? |
Mary is 24 years older than Jerry. 8 years ago, Mary was 5 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 523 9 9 12 8 8 ( 46 ) 14 9 11 9 10 ( 53 ) [[ 99 ]] | ||
|
|
||