|
501 Age |
Name : _________________ |
||
|
Mary is 9 years older than Jerry. 8 years ago, Mary was 4 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? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 501 11 9 10 10 9 ( 49 ) 14 8 7 12 14 ( 55 ) [[ 104 ]] | ||
|
|
||