|
636 Age |
Name : _________________ |
||
|
Mary is 24 years older than Jerry. 3 years ago, Mary was 7 times as old as Jerry then. How old is Mary? |
Mary is 10 years older than Jerry. 8 years ago, Mary was 3 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 636 7 11 13 11 6 ( 48 ) 13 8 11 10 10 ( 52 ) [[ 100 ]] | ||
|
|
||