|
390 Age |
Name : _________________ |
||
|
Mary is 18 years older than Jerry. 6 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? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 390 9 9 11 7 7 ( 43 ) 14 9 11 9 8 ( 51 ) [[ 94 ]] | ||
|
|
||