|
679 Age |
Name : _________________ |
||
|
Mary is 12 years older than Jerry. 5 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
Mary is 18 years older than Jerry. 3 years ago, Mary was 7 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 679 9 11 12 5 10 ( 47 ) 6 11 9 7 5 ( 38 ) [[ 85 ]] | ||
|
|
||