|
749 Age |
Name : _________________ |
||
|
Mary is 25 years older than Jerry. 5 years ago, Mary was 6 times as old as Jerry then. How old is Mary? |
Mary is 15 years older than Jerry. 5 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 749 10 5 12 9 9 ( 45 ) 10 9 9 7 10 ( 45 ) [[ 90 ]] | ||
|
|
||