|
527 Age |
Name : _________________ |
||
|
Mary is 15 years older than Jerry. 3 years ago, Mary was 6 times as old as Jerry then. How old is Mary? |
Mary is 18 years older than Jerry. 5 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 527 6 6 13 5 11 ( 41 ) 11 6 7 10 9 ( 43 ) [[ 84 ]] | ||
|
|
||