|
722 Age |
Name : _________________ |
||
|
Mary is 20 years older than Jerry. 7 years ago, Mary was 5 times as old as Jerry then. How old is Mary? |
Mary is 12 years older than Jerry. 8 years ago, Mary was 5 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 722 12 11 12 10 9 ( 54 ) 11 11 9 9 6 ( 46 ) [[ 100 ]] | ||
|
|
||