|
513 Age |
Name : _________________ |
||
|
Mary is 12 years older than Jerry. 4 years ago, Mary was 5 times as old as Jerry then. How old is Mary? |
Mary is 20 years older than Jerry. 6 years ago, Mary was 6 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 513 7 14 10 8 9 ( 48 ) 10 10 8 14 11 ( 53 ) [[ 101 ]] | ||
|
|
||