|
559 Age |
Name : _________________ |
||
|
Mary is 12 years older than Jerry. 5 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
Mary is 12 years older than Jerry. 8 years ago, Mary was 7 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 559 9 7 9 7 12 ( 44 ) 10 7 12 11 7 ( 47 ) [[ 91 ]] | ||
|
|
||