|
849 Age |
Name : _________________ |
||
|
Mary is 20 years older than Jerry. 5 years ago, Mary was 5 times as old as Jerry then. How old is Mary? |
Mary is 25 years older than Jerry. 8 years ago, Mary was 6 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 849 10 11 8 10 9 ( 48 ) 13 9 12 10 10 ( 54 ) [[ 102 ]] | ||
|
|
||