|
461 Age |
Name : _________________ |
||
|
Mary is 18 years older than Jerry. 8 years ago, Mary was 7 times as old as Jerry then. How old is Mary? |
Mary is 12 years older than Jerry. 8 years ago, Mary was 3 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 461 11 9 11 9 10 ( 50 ) 14 11 8 12 9 ( 54 ) [[ 104 ]] | ||
|
|
||