|
322 Age |
Name : _________________ |
||
|
Mary is 12 years older than Jerry. 8 years ago, Mary was 7 times as old as Jerry then. How old is Mary? |
Mary is 6 years older than Jerry. 3 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 322 10 10 12 10 10 ( 52 ) 5 11 9 7 5 ( 37 ) [[ 89 ]] | ||
|
|
||