|
817 Age |
Name : _________________ |
||
|
Mary is 25 years older than Jerry. 7 years ago, Mary was 6 times as old as Jerry then. How old is Mary? |
Mary is 9 years older than Jerry. 3 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 817 12 5 8 12 10 ( 47 ) 6 9 10 6 8 ( 39 ) [[ 86 ]] | ||
|
|
||