|
636 Age |
Name : _________________ |
||
|
Mary is 12 years older than Jerry. 6 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
Mary is 24 years older than Jerry. 5 years ago, Mary was 7 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 636 10 10 12 9 10 ( 51 ) 9 11 10 10 10 ( 50 ) [[ 101 ]] | ||
|
|
||