|
939 Age |
Name : _________________ |
||
|
Mary is 10 years older than Jerry. 6 years ago, Mary was 6 times as old as Jerry then. How old is Mary? |
Mary is 8 years older than Jerry. 5 years ago, Mary was 3 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 939 8 6 9 8 8 ( 39 ) 9 10 10 9 10 ( 48 ) [[ 87 ]] | ||
|
|
||