|
844 Age |
Name : _________________ |
||
|
Mary is 15 years older than Jerry. 3 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
Mary is 6 years older than Jerry. 8 years ago, Mary was 3 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 844 8 11 11 10 6 ( 46 ) 11 6 13 8 9 ( 47 ) [[ 93 ]] | ||
|
|
||