|
924 Age |
Name : _________________ |
||
|
Mary is 6 years older than Jerry. 3 years ago, Mary was 3 times as old as Jerry then. How old is Mary? |
Mary is 10 years older than Jerry. 7 years ago, Mary was 6 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 924 6 10 9 8 7 ( 40 ) 9 10 11 13 8 ( 51 ) [[ 91 ]] | ||
|
|
||