|
390 Age |
Name : _________________ |
||
|
Mary is 15 years older than Jerry. 5 years ago, Mary was 6 times as old as Jerry then. How old is Mary? |
Mary is 20 years older than Jerry. 4 years ago, Mary was 6 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 390 8 11 7 7 7 ( 40 ) 8 9 8 8 9 ( 42 ) [[ 82 ]] | ||
|
|
||